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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Sierra Hermosa Threshold Days by Year (MXN00032107)

8 fixed thresholds counted per year at Sierra Hermosa (MXN00032107): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sierra Hermosa Thresholds

  • Sierra Hermosa: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1998 with 55.
  • Sierra Hermosa: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1996 with 109.
  • Sierra Hermosa: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1992 with 19.
  • Sierra Hermosa: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1984 with 6.
  • 8 fixed thresholds have at least one qualifying day at Sierra Hermosa.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Sierra Hermosa Days per year at Sierra Hermosa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1998. 02040601978: 481979: 361983: 471984: 131985: 201987: 121988: 231989: 251990: 171991: 251992: 211993: 161994: 141995: 301996: 271997: 41998: 551999: 242000: 172001: 82003: 152004: 32005: 292006: 62009: 52010: 82011: 92012: 71978198419881991199419972000200420092012
Days per year at Sierra Hermosa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1998.
Days at or above 30 C (86 F) per year at Sierra Hermosa
YearDaysDecade average
19784842
19793642
19834723.3
19841323.3
19852023.3
19871223.3
19882323.3
19892523.3
19901723.3
19912523.3
19922123.3
19931623.3
19941423.3
19953023.3
19962723.3
1997423.3
19985523.3
19992423.3
20001711.9
2001811.9
20031511.9
2004311.9
20052911.9
2006611.9
2009511.9
201088
201198
201278
First to last qualifying date each year at Sierra Hermosa For each year, a bar from the first to the last day at Sierra Hermosa meeting 30 C (86 F). 1978: 16 April 1978 to 26 August 19781979: 28 March 1979 to 22 October 19791983: 18 April 1983 to 6 September 19831984: 21 April 1984 to 29 June 19841985: 30 April 1985 to 8 August 19851987: 18 June 1987 to 17 September 19871988: 24 April 1988 to 25 June 19881989: 9 April 1989 to 5 August 19891990: 30 April 1990 to 22 June 19901991: 20 April 1991 to 22 June 19911992: 13 June 1992 to 20 September 19921993: 2 June 1993 to 9 August 19931994: 30 April 1994 to 7 July 19941995: 27 March 1995 to 24 July 19951996: 26 April 1996 to 4 August 19961997: 9 June 1997 to 17 June 19971998: 5 April 1998 to 14 July 19981999: 7 April 1999 to 24 August 19992000: 17 April 2000 to 25 May 20002001: 4 April 2001 to 20 May 20012003: 2 May 2003 to 19 May 20032004: 26 May 2004 to 28 May 20042005: 2 May 2005 to 13 June 20052006: 18 April 2006 to 10 May 20062009: 30 April 2009 to 10 June 20092010: 5 May 2010 to 11 June 20102011: 22 May 2011 to 30 May 20112012: 28 April 2012 to 7 September 20121978198519901994199820032009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sierra Hermosa meeting 30 C (86 F).
First to last qualifying date each year at Sierra Hermosa
YearFirst dateLast date
19781978-04-161978-08-26
19791979-03-281979-10-22
19831983-04-181983-09-06
19841984-04-211984-06-29
19851985-04-301985-08-08
19871987-06-181987-09-17
19881988-04-241988-06-25
19891989-04-091989-08-05
19901990-04-301990-06-22
19911991-04-201991-06-22
19921992-06-131992-09-20
19931993-06-021993-08-09
19941994-04-301994-07-07
19951995-03-271995-07-24
19961996-04-261996-08-04
19971997-06-091997-06-17
19981998-04-051998-07-14
19991999-04-071999-08-24
20002000-04-172000-05-25
20012001-04-042001-05-20
20032003-05-022003-05-19
20042004-05-262004-05-28
20052005-05-022005-06-13
20062006-04-182006-05-10
20092009-04-302009-06-10
20102010-05-052010-06-11
20112011-05-222011-05-30
20122012-04-282012-09-07

Every Fixed Threshold

Fixed thresholds at Sierra Hermosa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days285519987
35 C (95 F): Days2119831
90 F (32.2 C): Days12719981
0 C (32 F): Frost days (min28109199629
-10 C (14 F): Days with min9519971
10 mm (0.39 in): Days with 10 mm or more rain281919926
25 mm (0.98 in): Days with 25 mm or more rain22619841
50 mm (1.97 in): Days with 50 mm or more rain8219791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Sierra Hermosa 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 . Last revised (2025-12-31).