La Mesilla Threshold Days by Year (MXN00007094)

12 fixed thresholds counted per year at La Mesilla (MXN00007094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Mesilla Thresholds

La Mesilla: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1992 with 361.
La Mesilla: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1992 with 242.
La Mesilla: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1992 with 327.
La Mesilla: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 1995 with 299.
12 fixed thresholds have at least one qualifying day at La Mesilla.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at La Mesilla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 361 in 1992.

Days at or above 30 C (86 F) per year at La Mesilla
Year	Days	Decade average
1975	274	304.6
1976	305	304.6
1977	342	304.6
1978	314	304.6
1979	288	304.6
1980	294	314.9
1981	316	314.9
1982	349	314.9
1985	331	314.9
1987	321	314.9
1988	297	314.9
1989	296	314.9
1990	330	255.5
1991	304	255.5
1992	361	255.5
1993	312	255.5
1994	274	255.5
1995	210	255.5
1996	215	255.5
1997	235	255.5
1998	191	255.5
1999	123	255.5
2000	126	286
2001	121	286
2004	344	286
2005	345	286
2006	346	286
2007	345	286
2008	334	286
2009	327	286
2010	309	297.7
2011	299	297.7
2012	285	297.7

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

First to last qualifying date each year at La Mesilla
Year	First date	Last date
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-30
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-30
1980	1980-01-01	1980-12-25
1981	1981-01-02	1981-12-31
1982	1982-01-01	1982-12-31
1985	1985-01-01	1985-12-31
1987	1987-01-01	1987-12-29
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-02	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-11-20
1994	1994-01-13	1994-12-20
1995	1995-01-04	1995-09-05
1996	1996-02-24	1996-12-31
1997	1997-01-01	1997-11-09
1998	1998-02-10	1998-12-06
1999	1999-02-06	1999-08-13
2000	2000-02-11	2000-12-01
2001	2001-02-22	2001-08-20
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-07	2012-12-31

Every Fixed Threshold

Fixed thresholds at La Mesilla
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	361	1992	285
35 C (95 F): Days	33	242	1992	27
40 C (104 F): Days	17	35	2005	1
90 F (32.2 C): Days	33	327	1992	87
100 F (37.8 C): Days	29	109	1992	31
20 C (68 F): Tropical nights (min	33	299	1995	6
25 C (77 F): Days with min	10	7	1995	4
10 mm (0.39 in): Days with 10 mm or more rain	33	44	2010	29
25 mm (0.98 in): Days with 25 mm or more rain	33	20	1981	11
50 mm (1.97 in): Days with 50 mm or more rain	28	9	2005	4
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1987	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2008	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

Data for La Mesilla 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).

La Mesilla Threshold Days by Year (MXN00007094)

Key Facts for La Mesilla Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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