Built 2026-10-19 (19 October 2026)

Siqueros Threshold Days by Year (MXN00025119)

13 fixed thresholds counted per year at Siqueros (MXN00025119): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Siqueros Thresholds

  • Siqueros: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1993 with 360.
  • Siqueros: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1994 with 287.
  • Siqueros: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1994 with 336.
  • Siqueros: nights with a minimum temperature at or above 20 C (68 F) in 40 years, most in 1990 with 185.
  • 13 fixed thresholds have at least one qualifying day at Siqueros.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Siqueros Days per year at Siqueros with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1993. 01002003004001967: 3191968: 2911969: 2891973: 3041974: 3191975: 3161976: 3011977: 3401978: 3341979: 3311982: 3411983: 3111984: 3251985: 2941987: 3241988: 3511989: 3471990: 3541991: 3501992: 3281993: 3601994: 3591995: 3561996: 3531997: 3331998: 3481999: 3512000: 3402001: 3132002: 3382003: 3412004: 2992005: 3202006: 3392007: 3222008: 3102009: 3032010: 3022011: 3242012: 3361967197419781984198919931997200120052009
Days per year at Siqueros with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1993.
Days at or above 30 C (86 F) per year at Siqueros
YearDaysDecade average
1967319299.7
1968291299.7
1969289299.7
1973304320.7
1974319320.7
1975316320.7
1976301320.7
1977340320.7
1978334320.7
1979331320.7
1982341327.6
1983311327.6
1984325327.6
1985294327.6
1987324327.6
1988351327.6
1989347327.6
1990354349.2
1991350349.2
1992328349.2
1993360349.2
1994359349.2
1995356349.2
1996353349.2
1997333349.2
1998348349.2
1999351349.2
2000340322.5
2001313322.5
2002338322.5
2003341322.5
2004299322.5
2005320322.5
2006339322.5
2007322322.5
2008310322.5
2009303322.5
2010302320.7
2011324320.7
2012336320.7
First to last qualifying date each year at Siqueros For each year, a bar from the first to the last day at Siqueros meeting 30 C (86 F). 1967: 2 January 1967 to 28 December 19671968: 1 January 1968 to 25 December 19681969: 2 January 1969 to 13 December 19691973: 5 January 1973 to 31 December 19731974: 1 January 1974 to 21 December 19741975: 5 January 1975 to 25 December 19751976: 6 January 1976 to 29 November 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791982: 1 January 1982 to 23 December 19821983: 4 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 2 January 1985 to 29 November 19851987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 28 December 19881989: 2 January 1989 to 28 December 19891990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 2 January 1992 to 31 December 19921993: 2 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 4 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 2 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 2 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 30 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 14 December 20102011: 2 January 2011 to 31 December 20112012: 1 January 2012 to 28 December 201219671975198219881993199820032008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Siqueros meeting 30 C (86 F).
First to last qualifying date each year at Siqueros
YearFirst dateLast date
19671967-01-021967-12-28
19681968-01-011968-12-25
19691969-01-021969-12-13
19731973-01-051973-12-31
19741974-01-011974-12-21
19751975-01-051975-12-25
19761976-01-061976-11-29
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19821982-01-011982-12-23
19831983-01-041983-12-31
19841984-01-011984-12-31
19851985-01-021985-11-29
19871987-01-011987-12-31
19881988-01-011988-12-28
19891989-01-021989-12-28
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-021992-12-31
19931993-01-021993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-041996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-021999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-022005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-30
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-14
20112011-01-022011-12-31
20122012-01-012012-12-28

Every Fixed Threshold

Fixed thresholds at Siqueros
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days403601993336
35 C (95 F): Days402871994129
40 C (104 F): Days205819921
90 F (32.2 C): Days403361994266
100 F (37.8 C): Days3813119925
0 C (32 F): Frost days (min1220112
20 C (68 F): Tropical nights (min401851990160
25 C (77 F): Days with min405519989
10 mm (0.39 in): Days with 10 mm or more rain4026196922
25 mm (0.98 in): Days with 25 mm or more rain401519839
50 mm (1.97 in): Days with 50 mm or more rain38719693
100 mm (3.94 in): Days with 100 mm or more rain10219932
200 mm (7.87 in): Days with 200 mm or more rain2119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Siqueros 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).