Fresnillo Threshold Days by Year (MXN00032020)

10 fixed thresholds counted per year at Fresnillo (MXN00032020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fresnillo Thresholds

Fresnillo: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1985 with 103.
Fresnillo: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1976 with 24.
Fresnillo: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1953 with 38.
Fresnillo: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1959 with 8.
10 fixed thresholds have at least one qualifying day at Fresnillo.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Fresnillo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1985.

Days at or above 30 C (86 F) per year at Fresnillo
Year	Days	Decade average
1952	17	20.7
1953	18	20.7
1959	27	20.7
1960	36	30.1
1962	32	30.1
1963	30	30.1
1964	19	30.1
1965	25	30.1
1966	30	30.1
1967	32	30.1
1968	32	30.1
1969	35	30.1
1972	19	8.5
1973	18	8.5
1974	6	8.5
1975	4	8.5
1976	4	8.5
1977	2	8.5
1978	7	8.5
1979	8	8.5
1983	97	81.8
1984	81	81.8
1985	103	81.8
1989	46	81.8
1990	41	45.7
1991	45	45.7
1993	37	45.7
1994	25	45.7
1995	45	45.7
1996	34	45.7
1997	70	45.7
1998	73	45.7
1999	41	45.7
2000	28	33.8
2005	33	33.8
2006	46	33.8
2007	24	33.8
2008	38	33.8
2010	39	49
2011	75	49
2012	33	49

For each year, a bar from the first to the last day at Fresnillo meeting 30 C (86 F).

First to last qualifying date each year at Fresnillo
Year	First date	Last date
1952	1952-05-07	1952-09-05
1953	1953-04-24	1953-06-26
1959	1959-04-05	1959-09-03
1960	1960-03-08	1960-07-31
1962	1962-05-11	1962-08-11
1963	1963-04-12	1963-07-17
1964	1964-04-08	1964-10-03
1965	1965-04-25	1965-06-17
1966	1966-04-27	1966-08-07
1967	1967-04-09	1967-08-01
1968	1968-04-15	1968-08-11
1969	1969-04-19	1969-08-20
1972	1972-04-07	1972-05-24
1973	1973-05-05	1973-06-18
1974	1974-05-18	1974-06-09
1975	1975-04-24	1975-06-17
1976	1976-05-23	1976-06-12
1977	1977-03-17	1977-05-27
1978	1978-04-17	1978-05-12
1979	1979-04-29	1979-07-23
1983	1983-04-01	1983-11-28
1984	1984-01-19	1984-11-09
1985	1985-03-05	1985-11-10
1989	1989-05-05	1989-07-27
1990	1990-04-06	1990-06-23
1991	1991-03-08	1991-06-28
1993	1993-04-27	1993-10-17
1994	1994-03-21	1994-06-09
1995	1995-03-23	1995-06-28
1996	1996-05-04	1996-08-01
1997	1997-04-29	1997-10-08
1998	1998-03-25	1998-07-19
1999	1999-04-06	1999-06-14
2000	2000-04-17	2000-09-10
2005	2005-04-17	2005-06-30
2006	2006-03-13	2006-06-21
2007	2007-04-26	2007-07-04
2008	2008-04-01	2008-06-29
2010	2010-04-05	2010-06-27
2011	2011-03-22	2011-08-21
2012	2012-04-13	2012-08-03

Every Fixed Threshold

Fixed thresholds at Fresnillo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	103	1985	33
35 C (95 F): Days	15	15	1983	6
90 F (32.2 C): Days	33	40	1983	7
100 F (37.8 C): Days	1	1	1983	1
0 C (32 F): Frost days (min	39	38	1953	5
-10 C (14 F): Days with min	1	1	1997	1
20 C (68 F): Tropical nights (min	3	4	1983	1
10 mm (0.39 in): Days with 10 mm or more rain	41	24	1976	4
25 mm (0.98 in): Days with 25 mm or more rain	36	8	1959	1
50 mm (1.97 in): Days with 50 mm or more rain	12	3	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Fresnillo 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). Threshold counts are computed by this site.

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

Fresnillo Threshold Days by Year (MXN00032020)

Key Facts for Fresnillo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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