Irapuato Weather Records (MXN00011028)

Record envelope, standing records and threshold days for Irapuato (MXN00011028), Mexico, with 111 years of record.

Key Facts for Irapuato

Irapuato (MXN00011028) is a weather station in Mexico at 20.67 latitude and -101.33 longitude, 1,729 m (5,672 ft) above sea level.
The station reports from 1903 to 2013, 111 years of record.
1,464 records set at Irapuato still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Irapuato set a daily record high maximum temperature of 35.6 C (96.1 F) on 31 March 2013.

About the Station

Location: Mexico, 20.67 latitude, -101.33 longitude.
Elevation: 1,729 m (5,672 ft).
Period of record: 1903 to 2013, 111 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Irapuato. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Irapuato, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Feb	37.8 C (100.0 F)	-3.9 C (25.0 F)	n/a	n/a
Mar	38.3 C (100.9 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	37.8 C (100.0 F)	3.9 C (39.0 F)	n/a	n/a
May	41.7 C (107.1 F)	5.0 C (41.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	9.4 C (48.9 F)	n/a	n/a
Jul	36.7 C (98.1 F)	8.9 C (48.0 F)	n/a	n/a
Aug	33.3 C (91.9 F)	8.9 C (48.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	2.8 C (37.0 F)	n/a	n/a
Oct	33.9 C (93.0 F)	1.7 C (35.1 F)	n/a	n/a
Nov	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	32.8 C (91.0 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Irapuato still stand. 1987 holds the most, with 120.

Standing records at Irapuato by the year they were set
Year set	Standing records
1903	1
1904	1
1905	11
1906	11
1908	4
1909	4
1910	7
1911	5
1912	30
1913	23
1922	21
1923	37
1924	39
1925	61
1926	27
1927	112
1928	15
1929	9
1930	26
1931	12
1932	37
1933	12
1934	9
1935	9
1936	2
1937	1
1938	9
1939	5
1940	18
1941	10
1942	13
1943	5
1944	8
1945	10
1946	15
1947	18
1948	8
1949	14
1950	11
1951	17
1952	30
1953	22
1954	8
1955	12
1956	7
1957	19
1958	13
1959	13
1960	12
1961	5
1962	8
1963	7
1964	7
1965	18
1966	18
1967	15
1968	19
1969	37
1970	5
1971	8
1972	15
1973	8
1974	20
1975	15
1976	17
1977	4
1978	8
1979	15
1980	5
1981	2
1982	5
1983	17
1984	7
1985	6
1986	6
1987	120
1988	11
1989	16
1990	9
1991	13
1992	8
1993	4
1994	3
1995	10
1997	14
1998	14
1999	12
2000	6
2001	6
2002	8
2003	11
2004	8
2005	6
2006	8
2007	8
2008	4
2009	3
2010	20
2011	8
2012	8
2013	6

All-Time Record Progression

5 new records

5 all-time records were set at Irapuato between 17 January 1952 and 19 February 1978. Each dot is a new record.

When Irapuato set new all-time records
Date	Kind	Detail
1952-01-17	Record high maximum temperature	Record high maximum temperature 37.8 C (100.0 F)
1965-07-06	Record daily precipitation	Record daily precipitation 137.7 mm (5.4 in)
1966-03-17	Record high maximum temperature	Record high maximum temperature 38.3 C (100.9 F)
1971-05-05	Record high maximum temperature	Record high maximum temperature 41.7 C (107.1 F)
1978-02-19	Record low maximum temperature	Record low maximum temperature 8.9 C (48.0 F)

Wettest Day of Each Month

Jul: 137.7 mm (5.4 in)

The wettest day on record for each calendar month at Irapuato. The most was 137.7 mm (5.4 in) on 6 July 1965.

Record daily precipitation for each month at Irapuato
Month	Record daily precipitation (mm)	Date
Jan	39.6 mm (1.6 in)	24 January 1980
Feb	79.8 mm (3.1 in)	3 February 2010
Mar	53.8 mm (2.1 in)	30 March 1963
Apr	60.5 mm (2.4 in)	24 April 1922
May	65.8 mm (2.6 in)	29 May 2000
Jun	74.9 mm (2.9 in)	23 June 1947
Jul	137.7 mm (5.4 in)	6 July 1965
Aug	71.6 mm (2.8 in)	15 August 1967
Sep	84.1 mm (3.3 in)	2 September 1926
Oct	71.4 mm (2.8 in)	8 October 1982
Nov	58.4 mm (2.3 in)	1 November 1953
Dec	39.9 mm (1.6 in)	15 December 1963

Period of Record Coverage

1922 to 2013

92 years of record at Irapuato, 1922 to 2013. 4 years have data for under 90 percent of days and are left out of rankings: 1922, 1958, 1990, 2013.

Days with data per year at Irapuato
Year	Days with data	Share of year	Complete
1922	317	87%	No
1923	365	100%	Yes
1924	351	96%	Yes
1925	365	100%	Yes
1926	365	100%	Yes
1927	365	100%	Yes
1928	365	100%	Yes
1929	365	100%	Yes
1930	365	100%	Yes
1931	365	100%	Yes
1932	365	100%	Yes
1933	365	100%	Yes
1934	364	100%	Yes
1935	365	100%	Yes
1936	365	100%	Yes
1937	365	100%	Yes
1938	365	100%	Yes
1939	364	100%	Yes
1940	365	100%	Yes
1941	365	100%	Yes
1942	365	100%	Yes
1943	365	100%	Yes
1944	365	100%	Yes
1945	365	100%	Yes
1946	365	100%	Yes
1947	364	100%	Yes
1948	365	100%	Yes
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	365	100%	Yes
1953	364	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	365	100%	Yes
1958	304	83%	No
1959	365	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	364	99%	Yes
1965	362	99%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	364	99%	Yes
1969	360	99%	Yes
1970	359	98%	Yes
1971	331	91%	Yes
1972	365	100%	Yes
1973	363	99%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	365	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	365	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	364	99%	Yes
1985	364	100%	Yes
1986	365	100%	Yes
1987	363	99%	Yes
1988	364	99%	Yes
1989	365	100%	Yes
1990	303	83%	No
1991	365	100%	Yes
1992	365	100%	Yes
1993	363	99%	Yes
1994	365	100%	Yes
1995	364	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	364	100%	Yes
2000	366	100%	Yes
2001	365	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	364	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	364	100%	Yes
2012	366	100%	Yes
2013	90	25%	No

Latest Records

Latest records at Irapuato
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 2013	Irapuato, MX	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	84 years	36 of 100 (Notable)
20 March 2013	Irapuato, MX	daily high max (Tie)	33.3 C (91.9 F)	tie	67 years	7 of 100 (Routine)
4 March 2013	Irapuato, MX	daily low min	1.1 C (34.0 F)	3.9 C (7.0 F)	79 years	47 of 100 (Notable)
3 March 2013	Irapuato, MX	daily low min	1.1 C (34.0 F)	2.8 C (5.0 F)	39 years	31 of 100 (Routine)
1 March 2013	Irapuato, MX	daily low max (Tie)	21.1 C (70.0 F)	tie	87 years	8 of 100 (Routine)
12 February 2013	Irapuato, MX	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	81 years	36 of 100 (Notable)
8 February 2013	Irapuato, MX	daily high max (Tie)	32.8 C (91.0 F)	tie	65 years	7 of 100 (Routine)
2 February 2013	Irapuato, MX	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	63 years	30 of 100 (Routine)
1 February 2013	Irapuato, MX	daily high max	32.8 C (91.0 F)	1.7 C (3.1 F)	76 years	35 of 100 (Notable)
11 December 2012	Irapuato, MX	daily rain (Tie)	1.8 mm (0.07 in)	tie	103 years	10 of 100 (Routine)
2 December 2012	Irapuato, MX	daily high max (Tie)	30.6 C (87.1 F)	tie	70 years	7 of 100 (Routine)
4 November 2012	Irapuato, MX	daily low max	17.8 C (64.0 F)	1.1 C (2.0 F)	54 years	28 of 100 (Routine)
25 October 2012	Irapuato, MX	monthly high max (Tie)	33.9 C (93.0 F)	tie	84 years	11 of 100 (Routine)
22 October 2012	Irapuato, MX	daily high max (Tie)	31.7 C (89.1 F)	tie	72 years	7 of 100 (Routine)
21 October 2012	Irapuato, MX	monthly high max (Tie)	33.9 C (93.0 F)	tie	84 years	11 of 100 (Routine)
19 October 2012	Irapuato, MX	daily high max (Tie)	32.8 C (91.0 F)	tie	8 years	2 of 100 (Routine)
18 October 2012	Irapuato, MX	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	8 years	12 of 100 (Routine)
29 August 2012	Irapuato, MX	daily high max (Tie)	30.6 C (87.1 F)	tie	59 years	6 of 100 (Routine)
24 August 2012	Irapuato, MX	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	73 years	32 of 100 (Routine)
14 July 2012	Irapuato, MX	daily low max (Tie)	21.7 C (71.1 F)	tie	88 years	8 of 100 (Routine)

Climate Trend

86 complete years, 1923 to 2012

One stripe for each of 86 complete years at Irapuato, 1923 to 2012. Blue stripes are years cooler than the station's own mean of 20.0 C (68.1 F); red stripes are warmer. The coolest year was 1925, at 17.4 C (63.2 F), and the warmest was 1969, at 21.9 C (71.4 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Irapuato as warming stripes, 1923 to 2012
Year	Annual mean temperature	Difference from the station mean
1923	17.7 C	-2.31 C
1925	17.4 C	-2.69 C
1926	17.6 C	-2.47 C
1927	19.4 C	-0.61 C
1928	20.3 C	+0.23 C
1929	20.0 C	-0.04 C
1930	20.2 C	+0.12 C
1931	20.0 C	-0.04 C
1932	20.7 C	+0.61 C
1933	20.3 C	+0.24 C
1934	19.4 C	-0.69 C
1935	19.3 C	-0.77 C
1936	19.7 C	-0.31 C
1937	20.0 C	-0.06 C
1938	19.3 C	-0.74 C
1939	19.4 C	-0.68 C
1940	19.7 C	-0.33 C
1941	20.5 C	+0.42 C
1942	20.6 C	+0.54 C
1943	20.3 C	+0.21 C
1944	20.4 C	+0.32 C
1945	21.1 C	+1.10 C
1946	21.1 C	+1.06 C
1947	20.9 C	+0.89 C
1948	20.8 C	+0.80 C
1949	21.0 C	+0.97 C
1950	20.8 C	+0.73 C
1951	21.0 C	+1.00 C
1952	20.4 C	+0.37 C
1953	21.0 C	+0.92 C
1954	20.7 C	+0.64 C
1955	21.0 C	+0.94 C
1956	20.7 C	+0.66 C
1957	21.6 C	+1.51 C
1959	20.9 C	+0.81 C
1960	21.3 C	+1.24 C
1961	20.9 C	+0.83 C
1962	21.2 C	+1.20 C
1963	20.9 C	+0.83 C
1964	20.9 C	+0.81 C
1965	21.4 C	+1.38 C
1966	21.3 C	+1.21 C
1967	20.8 C	+0.74 C
1968	21.0 C	+0.92 C
1969	21.9 C	+1.87 C
1970	20.4 C	+0.37 C
1972	21.1 C	+1.05 C
1973	19.6 C	-0.43 C
1974	18.6 C	-1.42 C
1975	18.5 C	-1.56 C
1976	18.5 C	-1.56 C
1977	18.9 C	-1.14 C
1978	18.8 C	-1.20 C
1979	18.9 C	-1.12 C
1980	19.5 C	-0.57 C
1981	19.2 C	-0.81 C
1982	19.8 C	-0.26 C
1983	19.0 C	-1.00 C
1984	19.0 C	-1.04 C
1985	19.2 C	-0.82 C
1986	19.3 C	-0.71 C
1987	17.7 C	-2.34 C
1988	19.5 C	-0.52 C
1989	19.5 C	-0.51 C
1991	19.9 C	-0.19 C
1992	19.2 C	-0.85 C
1993	19.4 C	-0.62 C
1994	20.5 C	+0.46 C
1995	20.5 C	+0.49 C
1996	20.1 C	+0.08 C
1997	20.3 C	+0.22 C
1998	20.9 C	+0.87 C
1999	20.1 C	+0.02 C
2000	20.6 C	+0.51 C
2001	20.2 C	+0.11 C
2002	20.2 C	+0.17 C
2003	20.3 C	+0.25 C
2004	19.8 C	-0.25 C
2005	20.3 C	+0.27 C
2006	20.6 C	+0.56 C
2007	20.5 C	+0.42 C
2008	19.9 C	-0.13 C
2009	19.7 C	-0.31 C
2010	18.8 C	-1.26 C
2011	19.7 C	-0.32 C
2012	20.5 C	+0.44 C

The fitted trend in annual mean temperature here over 1923 to 2012 is -0.01 C (-0.08 to 0.07) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.01 F (-0.15 to 0.13) per decade. The slope is a straight line fitted to 86 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Irapuato
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	-0.01 C (-0.08 to 0.07) per decade	-0.01 F (-0.15 to 0.13) per decade	1923 to 2012	86	Not clearly different from zero
Mean daily maximum	0.09 C (-0.03 to 0.20) per decade	0.2 F (-0.1 to 0.4) per decade	1923 to 2012	86	Not clearly different from zero
Mean daily minimum	-0.10 C (-0.18 to -0.02) per decade	-0.18 F (-0.32 to -0.03) per decade	1923 to 2012	86	Fall

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1903 to 2013

Yearly extremes at Irapuato: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	1971	35.6 C (96.1 F)	92
Coldest night (TNn)	-3.9 C (25.0 F)	1940	0.6 C (33.1 F)	103
Wettest day (Rx1day)	137.7 mm (5.4 in)	1965	51.6 mm (2.0 in)	103
Wettest five days (Rx5day)	206.5 mm (8.1 in)	1965	95.6 mm (3.8 in)	103
Longest dry spell (CDD)	155 days	1998	70 days	103

Hottest day (TXx)

The hottest day of the year at Irapuato, 1903 to 2013. The record is 41.7 C (107.1 F) in 1971, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at Irapuato by year
Year	Hottest day (TXx)
1903	n/a
1904	n/a
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1922	34.4 C (93.9 F)
1923	31.1 C (88.0 F)
1924	29.4 C (84.9 F)
1925	29.4 C (84.9 F)
1926	29.4 C (84.9 F)
1927	32.8 C (91.0 F)
1928	35.6 C (96.1 F)
1929	35.6 C (96.1 F)
1930	36.1 C (97.0 F)
1931	35.0 C (95.0 F)
1932	36.7 C (98.1 F)
1933	37.2 C (99.0 F)
1934	36.1 C (97.0 F)
1935	34.4 C (93.9 F)
1936	35.6 C (96.1 F)
1937	35.6 C (96.1 F)
1938	35.0 C (95.0 F)
1939	35.0 C (95.0 F)
1940	35.0 C (95.0 F)
1941	35.0 C (95.0 F)
1942	35.6 C (96.1 F)
1943	36.1 C (97.0 F)
1944	35.0 C (95.0 F)
1945	36.1 C (97.0 F)
1946	35.6 C (96.1 F)
1947	35.0 C (95.0 F)
1948	35.6 C (96.1 F)
1949	35.6 C (96.1 F)
1950	36.1 C (97.0 F)
1951	35.0 C (95.0 F)
1952	37.8 C (100.0 F)
1953	37.8 C (100.0 F)
1954	34.4 C (93.9 F)
1955	35.6 C (96.1 F)
1956	33.9 C (93.0 F)
1957	36.7 C (98.1 F)
1958	35.0 C (95.0 F)
1959	33.9 C (93.0 F)
1960	35.0 C (95.0 F)
1961	35.6 C (96.1 F)
1962	36.1 C (97.0 F)
1963	35.0 C (95.0 F)
1964	37.8 C (100.0 F)
1965	37.8 C (100.0 F)
1966	38.3 C (100.9 F)
1967	35.0 C (95.0 F)
1968	36.7 C (98.1 F)
1969	36.7 C (98.1 F)
1970	35.0 C (95.0 F)
1971	41.7 C (107.1 F)
1972	36.1 C (97.0 F)
1973	35.0 C (95.0 F)
1974	35.0 C (95.0 F)
1975	34.4 C (93.9 F)
1976	34.4 C (93.9 F)
1977	33.9 C (93.0 F)
1978	35.0 C (95.0 F)
1979	35.0 C (95.0 F)
1980	36.1 C (97.0 F)
1981	35.6 C (96.1 F)
1982	37.8 C (100.0 F)
1983	37.8 C (100.0 F)
1984	33.9 C (93.0 F)
1985	36.7 C (98.1 F)
1986	35.6 C (96.1 F)
1987	33.3 C (91.9 F)
1988	36.1 C (97.0 F)
1989	36.7 C (98.1 F)
1990	36.7 C (98.1 F)
1991	36.7 C (98.1 F)
1992	35.0 C (95.0 F)
1993	35.6 C (96.1 F)
1994	36.1 C (97.0 F)
1995	37.2 C (99.0 F)
1996	35.6 C (96.1 F)
1997	35.0 C (95.0 F)
1998	38.9 C (102.0 F)
1999	36.7 C (98.1 F)
2000	36.1 C (97.0 F)
2001	36.1 C (97.0 F)
2002	37.2 C (99.0 F)
2003	37.8 C (100.0 F)
2004	34.4 C (93.9 F)
2005	37.8 C (100.0 F)
2006	36.7 C (98.1 F)
2007	35.6 C (96.1 F)
2008	35.6 C (96.1 F)
2009	35.0 C (95.0 F)
2010	34.4 C (93.9 F)
2011	35.0 C (95.0 F)
2012	37.2 C (99.0 F)
2013	35.6 C (96.1 F)

Coldest night (TNn)

The coldest night of the year at Irapuato, 1903 to 2013. The record is -3.9 C (25.0 F) in 1940, marked on the chart; the median year is 0.6 C (33.1 F).

Coldest night (TNn) at Irapuato by year
Year	Coldest night (TNn)
1903	5.0 C (41.0 F)
1904	2.8 C (37.0 F)
1905	5.6 C (42.1 F)
1906	-1.1 C (30.0 F)
1907	2.8 C (37.0 F)
1908	1.7 C (35.1 F)
1909	0.6 C (33.1 F)
1910	-1.1 C (30.0 F)
1911	2.8 C (37.0 F)
1912	1.7 C (35.1 F)
1913	15.0 C (59.0 F)
1922	1.1 C (34.0 F)
1923	3.9 C (39.0 F)
1924	-1.7 C (28.9 F)
1925	0.0 C (32.0 F)
1926	0.6 C (33.1 F)
1927	-0.6 C (30.9 F)
1928	1.7 C (35.1 F)
1929	2.2 C (36.0 F)
1930	0.6 C (33.1 F)
1931	2.8 C (37.0 F)
1932	0.6 C (33.1 F)
1933	1.1 C (34.0 F)
1934	-2.2 C (28.0 F)
1935	-3.3 C (26.1 F)
1936	0.6 C (33.1 F)
1937	1.7 C (35.1 F)
1938	-1.1 C (30.0 F)
1939	0.6 C (33.1 F)
1940	-3.9 C (25.0 F)
1941	0.0 C (32.0 F)
1942	-1.7 C (28.9 F)
1943	0.6 C (33.1 F)
1944	0.6 C (33.1 F)
1945	3.3 C (37.9 F)
1946	3.9 C (39.0 F)
1947	2.2 C (36.0 F)
1948	3.3 C (37.9 F)
1949	1.1 C (34.0 F)
1950	0.6 C (33.1 F)
1951	0.6 C (33.1 F)
1952	-1.1 C (30.0 F)
1953	1.1 C (34.0 F)
1954	-1.7 C (28.9 F)
1955	-0.6 C (30.9 F)
1956	0.0 C (32.0 F)
1957	1.7 C (35.1 F)
1958	2.8 C (37.0 F)
1959	1.1 C (34.0 F)
1960	0.0 C (32.0 F)
1961	2.2 C (36.0 F)
1962	2.8 C (37.0 F)
1963	1.7 C (35.1 F)
1964	0.0 C (32.0 F)
1965	1.7 C (35.1 F)
1966	2.8 C (37.0 F)
1967	0.0 C (32.0 F)
1968	3.9 C (39.0 F)
1969	5.0 C (41.0 F)
1970	3.9 C (39.0 F)
1971	5.6 C (42.1 F)
1972	0.6 C (33.1 F)
1973	0.6 C (33.1 F)
1974	0.0 C (32.0 F)
1975	-2.2 C (28.0 F)
1976	-2.8 C (27.0 F)
1977	0.6 C (33.1 F)
1978	1.1 C (34.0 F)
1979	0.6 C (33.1 F)
1980	1.1 C (34.0 F)
1981	0.6 C (33.1 F)
1982	2.2 C (36.0 F)
1983	0.6 C (33.1 F)
1984	1.7 C (35.1 F)
1985	0.0 C (32.0 F)
1986	0.0 C (32.0 F)
1987	0.0 C (32.0 F)
1988	-3.3 C (26.1 F)
1989	-2.2 C (28.0 F)
1990	0.0 C (32.0 F)
1991	1.1 C (34.0 F)
1992	1.1 C (34.0 F)
1993	1.7 C (35.1 F)
1994	1.7 C (35.1 F)
1995	1.1 C (34.0 F)
1996	0.6 C (33.1 F)
1997	-1.7 C (28.9 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)
2000	0.6 C (33.1 F)
2001	2.8 C (37.0 F)
2002	0.0 C (32.0 F)
2003	-1.1 C (30.0 F)
2004	0.6 C (33.1 F)
2005	1.7 C (35.1 F)
2006	0.0 C (32.0 F)
2007	3.9 C (39.0 F)
2008	0.6 C (33.1 F)
2009	1.7 C (35.1 F)
2010	0.0 C (32.0 F)
2011	0.0 C (32.0 F)
2012	3.9 C (39.0 F)
2013	1.1 C (34.0 F)

Wettest day (Rx1day)

The wettest day of the year at Irapuato, 1903 to 2013. The record is 137.7 mm (5.4 in) in 1965, marked on the chart; the median year is 51.6 mm (2.0 in).

Wettest day (Rx1day) at Irapuato by year
Year	Wettest day (Rx1day)
1903	55.9 mm (2.2 in)
1904	53.1 mm (2.1 in)
1905	50.8 mm (2.0 in)
1906	44.7 mm (1.8 in)
1907	46.2 mm (1.8 in)
1908	45.7 mm (1.8 in)
1909	39.9 mm (1.6 in)
1910	38.1 mm (1.5 in)
1911	53.8 mm (2.1 in)
1912	32.3 mm (1.3 in)
1913	0.0 mm (0.00 in)
1922	60.5 mm (2.4 in)
1923	39.9 mm (1.6 in)
1924	35.6 mm (1.4 in)
1925	32.3 mm (1.3 in)
1926	84.1 mm (3.3 in)
1927	73.7 mm (2.9 in)
1928	72.4 mm (2.9 in)
1929	59.2 mm (2.3 in)
1930	57.4 mm (2.3 in)
1931	53.8 mm (2.1 in)
1932	67.3 mm (2.6 in)
1933	60.7 mm (2.4 in)
1934	69.9 mm (2.8 in)
1935	52.3 mm (2.1 in)
1936	52.8 mm (2.1 in)
1937	39.4 mm (1.6 in)
1938	38.1 mm (1.5 in)
1939	57.4 mm (2.3 in)
1940	38.4 mm (1.5 in)
1941	47.0 mm (1.9 in)
1942	44.2 mm (1.7 in)
1943	47.0 mm (1.9 in)
1944	36.1 mm (1.4 in)
1945	38.9 mm (1.5 in)
1946	70.9 mm (2.8 in)
1947	74.9 mm (2.9 in)
1948	36.3 mm (1.4 in)
1949	42.9 mm (1.7 in)
1950	69.3 mm (2.7 in)
1951	59.9 mm (2.4 in)
1952	40.9 mm (1.6 in)
1953	58.4 mm (2.3 in)
1954	44.7 mm (1.8 in)
1955	67.3 mm (2.6 in)
1956	49.8 mm (2.0 in)
1957	22.6 mm (0.9 in)
1958	51.6 mm (2.0 in)
1959	53.6 mm (2.1 in)
1960	47.5 mm (1.9 in)
1961	27.2 mm (1.1 in)
1962	43.7 mm (1.7 in)
1963	53.8 mm (2.1 in)
1964	68.3 mm (2.7 in)
1965	137.7 mm (5.4 in)
1966	43.9 mm (1.7 in)
1967	79.8 mm (3.1 in)
1968	59.4 mm (2.3 in)
1969	66.3 mm (2.6 in)
1970	62.2 mm (2.4 in)
1971	64.8 mm (2.6 in)
1972	48.5 mm (1.9 in)
1973	59.9 mm (2.4 in)
1974	51.3 mm (2.0 in)
1975	70.9 mm (2.8 in)
1976	68.8 mm (2.7 in)
1977	48.0 mm (1.9 in)
1978	58.4 mm (2.3 in)
1979	34.3 mm (1.4 in)
1980	39.6 mm (1.6 in)
1981	35.8 mm (1.4 in)
1982	71.4 mm (2.8 in)
1983	55.9 mm (2.2 in)
1984	44.7 mm (1.8 in)
1985	36.1 mm (1.4 in)
1986	48.3 mm (1.9 in)
1987	56.4 mm (2.2 in)
1988	31.8 mm (1.3 in)
1989	58.9 mm (2.3 in)
1990	49.8 mm (2.0 in)
1991	91.9 mm (3.6 in)
1992	51.6 mm (2.0 in)
1993	59.9 mm (2.4 in)
1994	34.8 mm (1.4 in)
1995	53.3 mm (2.1 in)
1996	59.9 mm (2.4 in)
1997	42.4 mm (1.7 in)
1998	52.1 mm (2.1 in)
1999	36.8 mm (1.4 in)
2000	65.8 mm (2.6 in)
2001	39.9 mm (1.6 in)
2002	53.8 mm (2.1 in)
2003	50.5 mm (2.0 in)
2004	36.8 mm (1.4 in)
2005	53.1 mm (2.1 in)
2006	64.8 mm (2.6 in)
2007	43.4 mm (1.7 in)
2008	48.8 mm (1.9 in)
2009	61.2 mm (2.4 in)
2010	79.8 mm (3.1 in)
2011	31.0 mm (1.2 in)
2012	33.0 mm (1.3 in)
2013	6.4 mm (0.25 in)

Wettest five days (Rx5day)

The wettest five days of the year at Irapuato, 1903 to 2013. The record is 206.5 mm (8.1 in) in 1965, marked on the chart; the median year is 95.6 mm (3.8 in).

Wettest five days (Rx5day) at Irapuato by year
Year	Wettest five days (Rx5day)
1903	89.7 mm (3.5 in)
1904	114.9 mm (4.5 in)
1905	105.7 mm (4.2 in)
1906	120.1 mm (4.7 in)
1907	88.6 mm (3.5 in)
1908	133.9 mm (5.3 in)
1909	97.1 mm (3.8 in)
1910	97.6 mm (3.8 in)
1911	107.1 mm (4.2 in)
1912	34.6 mm (1.4 in)
1913	0.0 mm (0.00 in)
1922	75.5 mm (3.0 in)
1923	85.6 mm (3.4 in)
1924	68.3 mm (2.7 in)
1925	71.6 mm (2.8 in)
1926	135.2 mm (5.3 in)
1927	157.3 mm (6.2 in)
1928	118.2 mm (4.7 in)
1929	145.7 mm (5.7 in)
1930	81.8 mm (3.2 in)
1931	94.3 mm (3.7 in)
1932	128.0 mm (5.0 in)
1933	141.7 mm (5.6 in)
1934	112.8 mm (4.4 in)
1935	125.3 mm (4.9 in)
1936	95.2 mm (3.7 in)
1937	137.0 mm (5.4 in)
1938	132.9 mm (5.2 in)
1939	147.4 mm (5.8 in)
1940	79.4 mm (3.1 in)
1941	121.8 mm (4.8 in)
1942	82.6 mm (3.3 in)
1943	95.6 mm (3.8 in)
1944	91.4 mm (3.6 in)
1945	45.7 mm (1.8 in)
1946	92.5 mm (3.6 in)
1947	179.8 mm (7.1 in)
1948	95.1 mm (3.7 in)
1949	114.1 mm (4.5 in)
1950	118.1 mm (4.6 in)
1951	111.0 mm (4.4 in)
1952	87.8 mm (3.5 in)
1953	103.9 mm (4.1 in)
1954	72.4 mm (2.9 in)
1955	106.9 mm (4.2 in)
1956	69.2 mm (2.7 in)
1957	80.8 mm (3.2 in)
1958	95.6 mm (3.8 in)
1959	106.6 mm (4.2 in)
1960	109.3 mm (4.3 in)
1961	90.6 mm (3.6 in)
1962	120.3 mm (4.7 in)
1963	117.9 mm (4.6 in)
1964	125.7 mm (4.9 in)
1965	206.5 mm (8.1 in)
1966	82.0 mm (3.2 in)
1967	134.1 mm (5.3 in)
1968	66.3 mm (2.6 in)
1969	97.9 mm (3.9 in)
1970	95.6 mm (3.8 in)
1971	151.2 mm (6.0 in)
1972	76.4 mm (3.0 in)
1973	131.3 mm (5.2 in)
1974	86.9 mm (3.4 in)
1975	125.6 mm (4.9 in)
1976	197.5 mm (7.8 in)
1977	88.2 mm (3.5 in)
1978	134.3 mm (5.3 in)
1979	72.1 mm (2.8 in)
1980	116.4 mm (4.6 in)
1981	81.3 mm (3.2 in)
1982	82.1 mm (3.2 in)
1983	92.7 mm (3.6 in)
1984	77.0 mm (3.0 in)
1985	68.9 mm (2.7 in)
1986	85.9 mm (3.4 in)
1987	73.8 mm (2.9 in)
1988	85.6 mm (3.4 in)
1989	89.0 mm (3.5 in)
1990	93.5 mm (3.7 in)
1991	139.4 mm (5.5 in)
1992	61.5 mm (2.4 in)
1993	92.0 mm (3.6 in)
1994	70.4 mm (2.8 in)
1995	130.5 mm (5.1 in)
1996	125.7 mm (4.9 in)
1997	77.1 mm (3.0 in)
1998	120.9 mm (4.8 in)
1999	84.8 mm (3.3 in)
2000	95.3 mm (3.8 in)
2001	80.2 mm (3.2 in)
2002	85.3 mm (3.4 in)
2003	135.9 mm (5.4 in)
2004	93.5 mm (3.7 in)
2005	66.8 mm (2.6 in)
2006	149.7 mm (5.9 in)
2007	100.8 mm (4.0 in)
2008	122.3 mm (4.8 in)
2009	128.2 mm (5.0 in)
2010	148.1 mm (5.8 in)
2011	75.3 mm (3.0 in)
2012	99.8 mm (3.9 in)
2013	7.7 mm (0.30 in)

Longest dry spell (CDD)

The longest dry spell of the year at Irapuato, 1903 to 2013. The record is 155 days in 1998, marked on the chart; the median year is 70 days.

Longest dry spell (CDD) at Irapuato by year
Year	Longest dry spell (CDD)
1903	40 days
1904	71 days
1905	50 days
1906	45 days
1907	53 days
1908	65 days
1909	93 days
1910	91 days
1911	62 days
1912	65 days
1913	31 days
1922	112 days
1923	58 days
1924	70 days
1925	37 days
1926	55 days
1927	77 days
1928	52 days
1929	95 days
1930	88 days
1931	77 days
1932	87 days
1933	104 days
1934	88 days
1935	60 days
1936	40 days
1937	52 days
1938	52 days
1939	100 days
1940	67 days
1941	45 days
1942	86 days
1943	124 days
1944	51 days
1945	76 days
1946	87 days
1947	105 days
1948	35 days
1949	84 days
1950	96 days
1951	90 days
1952	53 days
1953	73 days
1954	71 days
1955	128 days
1956	59 days
1957	125 days
1958	38 days
1959	65 days
1960	51 days
1961	51 days
1962	79 days
1963	78 days
1964	32 days
1965	68 days
1966	59 days
1967	34 days
1968	32 days
1969	89 days
1970	68 days
1971	75 days
1972	37 days
1973	55 days
1974	44 days
1975	112 days
1976	59 days
1977	79 days
1978	57 days
1979	63 days
1980	35 days
1981	35 days
1982	53 days
1983	70 days
1984	68 days
1985	47 days
1986	81 days
1987	92 days
1988	102 days
1989	116 days
1990	61 days
1991	123 days
1992	27 days
1993	72 days
1994	106 days
1995	71 days
1996	115 days
1997	66 days
1998	155 days
1999	145 days
2000	139 days
2001	78 days
2002	56 days
2003	104 days
2004	53 days
2005	94 days
2006	86 days
2007	59 days
2008	145 days
2009	94 days
2010	98 days
2011	106 days
2012	55 days
2013	88 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

90 years, 1908 to 2012

A day with at least 50.8 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 101.5 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Irapuato: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	50.8 mm (2.0 in)
5 years	65.2 mm (2.6 in)
10 years	74.4 mm (2.9 in)
25 years	85.7 mm (3.4 in)
50 years	93.7 mm (3.7 in)
100 years	101.5 mm (4.0 in)	Longer than the 90 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 90 years of values from 1908 to 2012.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 137.7 mm (5.4 in) in 1965; 91.9 mm (3.6 in) in 1991; 84.1 mm (3.3 in) in 1926.

Download the Data

Data for Irapuato standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Irapuato threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).