Rio Grande Weather Records (MXN00030292)

Record envelope, standing records and threshold days for Rio Grande (MXN00030292), Mexico, with 32 years of record.

Key Facts for Rio Grande

Rio Grande (MXN00030292) is a weather station in Mexico at 17.27 latitude and -94.37 longitude, 72 m (236 ft) above sea level.
The station reports from 1975 to 2006, 32 years of record.
1,464 records set at Rio Grande still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.27 latitude, -94.37 longitude.
Elevation: 72 m (236 ft).
Period of record: 1975 to 2006, 32 years.
Eligible elements: none yet.

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 Rio Grande. 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 Rio Grande, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.2 C (99.0 F)	10.0 C (50.0 F)	n/a	n/a
Feb	38.3 C (100.9 F)	7.8 C (46.0 F)	n/a	n/a
Mar	40.0 C (104.0 F)	8.3 C (46.9 F)	n/a	n/a
Apr	45.0 C (113.0 F)	10.6 C (51.1 F)	n/a	n/a
May	41.1 C (106.0 F)	13.9 C (57.0 F)	n/a	n/a
Jun	43.3 C (109.9 F)	17.8 C (64.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	39.4 C (102.9 F)	17.8 C (64.0 F)	n/a	n/a
Sep	37.2 C (99.0 F)	17.8 C (64.0 F)	n/a	n/a
Oct	37.2 C (99.0 F)	15.0 C (59.0 F)	n/a	n/a
Nov	35.0 C (95.0 F)	11.7 C (53.1 F)	n/a	n/a
Dec	37.2 C (99.0 F)	9.4 C (48.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rio Grande still stand. 1991 holds the most, with 157.

Standing records at Rio Grande by the year they were set
Year set	Standing records
1975	28
1976	13
1977	86
1978	62
1979	33
1980	55
1981	32
1982	34
1983	72
1984	123
1985	30
1986	27
1987	45
1988	6
1989	75
1990	64
1991	157
1992	61
1993	66
1994	13
1995	31
1996	43
1997	52
1998	67
1999	34
2000	25
2001	31
2002	16
2003	28
2004	27
2005	9
2006	19

Wettest Day of Each Month

Nov: 276.9 mm (10.9 in)

The wettest day on record for each calendar month at Rio Grande. The most was 276.9 mm (10.9 in) on 24 November 1978.

Record daily precipitation for each month at Rio Grande
Month	Record daily precipitation (mm)	Date
Jan	130.3 mm (5.1 in)	25 January 2006
Feb	82.0 mm (3.2 in)	3 February 1989
Mar	92.5 mm (3.6 in)	21 March 1989
Apr	106.2 mm (4.2 in)	30 April 2006
May	177.3 mm (7.0 in)	29 May 1984
Jun	198.6 mm (7.8 in)	15 June 1993
Jul	198.4 mm (7.8 in)	24 July 1984
Aug	228.1 mm (9.0 in)	14 August 1981
Sep	248.4 mm (9.8 in)	16 September 1989
Oct	234.2 mm (9.2 in)	8 October 1983
Nov	276.9 mm (10.9 in)	24 November 1978
Dec	123.2 mm (4.9 in)	29 December 1987

Period of Record Coverage

1975 to 2006

32 years of record at Rio Grande, 1975 to 2006. 11 years have data for under 90 percent of days and are left out of rankings: 1975, 1976, 1978, 1979, 1986, 1987, 1988, 1994 and others.

Days with data per year at Rio Grande
Year	Days with data	Share of year	Complete
1975	192	53%	No
1976	45	12%	No
1977	333	91%	Yes
1978	298	82%	No
1979	300	82%	No
1980	330	90%	Yes
1981	361	99%	Yes
1982	351	96%	Yes
1983	360	99%	Yes
1984	362	99%	Yes
1985	362	99%	Yes
1986	119	33%	No
1987	211	58%	No
1988	59	16%	No
1989	359	98%	Yes
1990	365	100%	Yes
1991	362	99%	Yes
1992	365	100%	Yes
1993	363	99%	Yes
1994	168	46%	No
1995	363	99%	Yes
1996	364	99%	Yes
1997	362	99%	Yes
1998	363	99%	Yes
1999	362	99%	Yes
2000	363	99%	Yes
2001	363	99%	Yes
2002	208	57%	No
2003	364	100%	Yes
2004	364	99%	Yes
2005	58	16%	No
2006	181	50%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

18 complete years, 1981 to 2004

One stripe for each of 18 complete years at Rio Grande, 1981 to 2004. Blue stripes are years cooler than the station's own mean of 25.1 C (77.3 F); red stripes are warmer. The coolest year was 1984, at 23.4 C (74.0 F), and the warmest was 1991, at 26.7 C (80.1 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Rio Grande as warming stripes, 1981 to 2004
Year	Annual mean temperature	Difference from the station mean
1981	24.7 C	-0.46 C
1983	24.3 C	-0.82 C
1984	23.4 C	-1.78 C
1985	24.8 C	-0.30 C
1989	24.7 C	-0.42 C
1990	25.2 C	+0.04 C
1991	26.7 C	+1.58 C
1992	25.2 C	+0.05 C
1993	25.6 C	+0.50 C
1995	25.4 C	+0.30 C
1996	25.0 C	-0.19 C
1997	25.1 C	-0.09 C
1998	25.9 C	+0.73 C
1999	25.0 C	-0.14 C
2000	25.3 C	+0.16 C
2001	25.1 C	-0.03 C
2003	25.7 C	+0.55 C
2004	25.5 C	+0.36 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1975 to 2006

Yearly extremes at Rio Grande: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	1994	39.4 C (102.9 F)	32
Coldest night (TNn)	7.8 C (46.0 F)	1989	11.1 C (52.0 F)	32
Wettest day (Rx1day)	276.9 mm (10.9 in)	1978	134.0 mm (5.3 in)	32
Wettest five days (Rx5day)	627.1 mm (24.7 in)	1993	290.1 mm (11.4 in)	32
Longest dry spell (CDD)	43 days	1998	17 days	32

Hottest day (TXx)

The hottest day of the year at Rio Grande, 1975 to 2006. The record is 45.0 C (113.0 F) in 1994, marked on the chart; the median year is 39.4 C (102.9 F).

Hottest day (TXx) at Rio Grande by year
Year	Hottest day (TXx)
1975	36.7 C (98.1 F)
1976	35.0 C (95.0 F)
1977	37.8 C (100.0 F)
1978	40.6 C (105.1 F)
1979	38.9 C (102.0 F)
1980	40.0 C (104.0 F)
1981	38.9 C (102.0 F)
1982	38.3 C (100.9 F)
1983	39.4 C (102.9 F)
1984	40.6 C (105.1 F)
1985	39.4 C (102.9 F)
1986	39.4 C (102.9 F)
1987	38.9 C (102.0 F)
1988	35.6 C (96.1 F)
1989	40.6 C (105.1 F)
1990	39.4 C (102.9 F)
1991	42.2 C (108.0 F)
1992	38.9 C (102.0 F)
1993	43.3 C (109.9 F)
1994	45.0 C (113.0 F)
1995	41.1 C (106.0 F)
1996	38.9 C (102.0 F)
1997	38.3 C (100.9 F)
1998	41.1 C (106.0 F)
1999	40.0 C (104.0 F)
2000	40.0 C (104.0 F)
2001	40.0 C (104.0 F)
2002	40.0 C (104.0 F)
2003	41.1 C (106.0 F)
2004	39.4 C (102.9 F)
2005	34.4 C (93.9 F)
2006	41.1 C (106.0 F)

Coldest night (TNn)

The coldest night of the year at Rio Grande, 1975 to 2006. The record is 7.8 C (46.0 F) in 1989, marked on the chart; the median year is 11.1 C (52.0 F).

Coldest night (TNn) at Rio Grande by year
Year	Coldest night (TNn)
1975	15.6 C (60.1 F)
1976	13.9 C (57.0 F)
1977	10.6 C (51.1 F)
1978	10.6 C (51.1 F)
1979	13.9 C (57.0 F)
1980	11.7 C (53.1 F)
1981	11.7 C (53.1 F)
1982	10.6 C (51.1 F)
1983	10.0 C (50.0 F)
1984	10.0 C (50.0 F)
1985	10.0 C (50.0 F)
1986	10.0 C (50.0 F)
1987	10.0 C (50.0 F)
1988	11.7 C (53.1 F)
1989	7.8 C (46.0 F)
1990	11.1 C (52.0 F)
1991	10.0 C (50.0 F)
1992	12.8 C (55.0 F)
1993	12.2 C (54.0 F)
1994	14.4 C (57.9 F)
1995	11.7 C (53.1 F)
1996	10.0 C (50.0 F)
1997	9.4 C (48.9 F)
1998	10.0 C (50.0 F)
1999	11.1 C (52.0 F)
2000	12.2 C (54.0 F)
2001	10.6 C (51.1 F)
2002	10.0 C (50.0 F)
2003	12.2 C (54.0 F)
2004	12.2 C (54.0 F)
2005	11.7 C (53.1 F)
2006	11.7 C (53.1 F)

Wettest day (Rx1day)

The wettest day of the year at Rio Grande, 1975 to 2006. The record is 276.9 mm (10.9 in) in 1978, marked on the chart; the median year is 134.0 mm (5.3 in).

Wettest day (Rx1day) at Rio Grande by year
Year	Wettest day (Rx1day)
1975	183.9 mm (7.2 in)
1976	28.4 mm (1.1 in)
1977	119.9 mm (4.7 in)
1978	276.9 mm (10.9 in)
1979	159.0 mm (6.3 in)
1980	119.9 mm (4.7 in)
1981	228.1 mm (9.0 in)
1982	144.8 mm (5.7 in)
1983	234.2 mm (9.2 in)
1984	198.4 mm (7.8 in)
1985	142.7 mm (5.6 in)
1986	81.5 mm (3.2 in)
1987	170.2 mm (6.7 in)
1988	59.9 mm (2.4 in)
1989	248.4 mm (9.8 in)
1990	133.6 mm (5.3 in)
1991	120.7 mm (4.8 in)
1992	126.7 mm (5.0 in)
1993	198.6 mm (7.8 in)
1994	99.1 mm (3.9 in)
1995	107.2 mm (4.2 in)
1996	104.4 mm (4.1 in)
1997	164.1 mm (6.5 in)
1998	174.0 mm (6.9 in)
1999	114.3 mm (4.5 in)
2000	204.7 mm (8.1 in)
2001	208.0 mm (8.2 in)
2002	134.4 mm (5.3 in)
2003	105.2 mm (4.1 in)
2004	119.1 mm (4.7 in)
2005	41.1 mm (1.6 in)
2006	130.3 mm (5.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rio Grande, 1975 to 2006. The record is 627.1 mm (24.7 in) in 1993, marked on the chart; the median year is 290.1 mm (11.4 in).

Wettest five days (Rx5day) at Rio Grande by year
Year	Wettest five days (Rx5day)
1975	356.9 mm (14.1 in)
1976	75.4 mm (3.0 in)
1977	195.1 mm (7.7 in)
1978	331.2 mm (13.0 in)
1979	311.6 mm (12.3 in)
1980	208.0 mm (8.2 in)
1981	394.4 mm (15.5 in)
1982	270.6 mm (10.7 in)
1983	374.9 mm (14.8 in)
1984	283.2 mm (11.1 in)
1985	286.6 mm (11.3 in)
1986	119.9 mm (4.7 in)
1987	433.9 mm (17.1 in)
1988	168.8 mm (6.6 in)
1989	342.7 mm (13.5 in)
1990	240.9 mm (9.5 in)
1991	272.9 mm (10.7 in)
1992	301.0 mm (11.9 in)
1993	627.1 mm (24.7 in)
1994	150.9 mm (5.9 in)
1995	293.6 mm (11.6 in)
1996	252.0 mm (9.9 in)
1997	250.0 mm (9.8 in)
1998	382.2 mm (15.0 in)
1999	385.5 mm (15.2 in)
2000	353.8 mm (13.9 in)
2001	335.1 mm (13.2 in)
2002	211.0 mm (8.3 in)
2003	316.0 mm (12.4 in)
2004	251.0 mm (9.9 in)
2005	59.1 mm (2.3 in)
2006	293.6 mm (11.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rio Grande, 1975 to 2006. The record is 43 days in 1998, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Rio Grande by year
Year	Longest dry spell (CDD)
1975	8 days
1976	12 days
1977	33 days
1978	38 days
1979	11 days
1980	14 days
1981	16 days
1982	15 days
1983	20 days
1984	22 days
1985	12 days
1986	26 days
1987	12 days
1988	4 days
1989	18 days
1990	11 days
1991	21 days
1992	17 days
1993	20 days
1994	13 days
1995	28 days
1996	16 days
1997	10 days
1998	43 days
1999	19 days
2000	20 days
2001	27 days
2002	30 days
2003	33 days
2004	12 days
2005	6 days
2006	15 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.

Download the Data

Data for Rio Grande standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rio Grande 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).