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

Aquiles Serdan Threshold Days by Year (MXN00027071)

13 fixed thresholds counted per year at Aquiles Serdan (MXN00027071): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aquiles Serdan Thresholds

  • Aquiles Serdan: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1997 with 121.
  • Aquiles Serdan: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1992 with 67.
  • Aquiles Serdan: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2012 with 348.
  • Aquiles Serdan: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1992 with 249.
  • 13 fixed thresholds have at least one qualifying day at Aquiles Serdan.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Aquiles Serdan Days per year at Aquiles Serdan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 348 in 2012. 01002003004001977: 3021978: 3151979: 2991981: 3341982: 3431984: 3331985: 3281986: 3231987: 3151988: 3271989: 2751990: 2921991: 3401992: 3431993: 3451994: 3411996: 3071997: 2492005: 3452007: 3362008: 3162009: 3462010: 3362011: 3452012: 348197719811985198819911994200520092012
Days per year at Aquiles Serdan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 348 in 2012.
Days at or above 30 C (86 F) per year at Aquiles Serdan
YearDaysDecade average
1977302305.3
1978315305.3
1979299305.3
1981334322.3
1982343322.3
1984333322.3
1985328322.3
1986323322.3
1987315322.3
1988327322.3
1989275322.3
1990292316.7
1991340316.7
1992343316.7
1993345316.7
1994341316.7
1996307316.7
1997249316.7
2005345335.8
2007336335.8
2008316335.8
2009346335.8
2010336343
2011345343
2012348343
First to last qualifying date each year at Aquiles Serdan For each year, a bar from the first to the last day at Aquiles Serdan meeting 30 C (86 F). 1977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791981: 1 January 1981 to 30 December 19811982: 1 January 1982 to 30 December 19821984: 4 January 1984 to 31 December 19841985: 1 February 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 2 January 1987 to 28 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 18 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921993: 1 January 1993 to 30 December 19931994: 1 January 1994 to 31 December 19941996: 1 January 1996 to 21 December 19961997: 2 January 1997 to 25 December 19972005: 1 January 2005 to 31 December 20052007: 1 January 2007 to 28 December 20072008: 1 January 2008 to 30 November 20082009: 1 January 2009 to 30 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 30 December 20112012: 1 January 2012 to 31 December 20121977198219871991199620082012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aquiles Serdan meeting 30 C (86 F).
First to last qualifying date each year at Aquiles Serdan
YearFirst dateLast date
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19811981-01-011981-12-30
19821982-01-011982-12-30
19841984-01-041984-12-31
19851985-02-011985-12-31
19861986-01-011986-12-31
19871987-01-021987-12-28
19881988-01-011988-12-31
19891989-01-011989-12-31
19901990-01-181990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19931993-01-011993-12-30
19941994-01-011994-12-31
19961996-01-011996-12-21
19971997-01-021997-12-25
20052005-01-012005-12-31
20072007-01-012007-12-28
20082008-01-012008-11-30
20092009-01-012009-12-30
20102010-01-012010-12-31
20112011-01-012011-12-30
20122012-01-012012-12-31

Every Fixed Threshold

Fixed thresholds at Aquiles Serdan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days253482012348
35 C (95 F): Days252491992186
40 C (104 F): Days223419791
45 C (113 F): Days3719772
90 F (32.2 C): Days253131992259
100 F (37.8 C): Days25101197936
110 F (43.3 C): Days3719772
20 C (68 F): Tropical nights (min253521992349
25 C (77 F): Days with min242001992167
10 mm (0.39 in): Days with 10 mm or more rain26121199730
25 mm (0.98 in): Days with 25 mm or more rain266719929
50 mm (1.97 in): Days with 50 mm or more rain255719924
100 mm (3.94 in): Days with 100 mm or more rain132519921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Aquiles Serdan 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).