Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

San Luis Ameca Threshold Days by Year (MXN00015094)

8 fixed thresholds counted per year at San Luis Ameca (MXN00015094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Luis Ameca Thresholds

  • San Luis Ameca: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1967 with 29.
  • San Luis Ameca: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1972 with 76.
  • San Luis Ameca: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1970 with 7.
  • San Luis Ameca: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1983 with 41.
  • 8 fixed thresholds have at least one qualifying day at San Luis Ameca.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at San Luis Ameca Days per year at San Luis Ameca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1983. 02040601961: 41962: 11964: 11967: 11969: 21971: 11972: 21973: 21974: 11975: 21977: 21978: 151979: 21980: 111981: 101982: 301983: 411984: 141986: 171987: 41996: 21997: 11998: 271999: 32000: 12001: 42002: 72003: 122005: 102006: 42008: 52009: 62010: 52011: 62012: 1196119691974197919831996200020052010
Days per year at San Luis Ameca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1983.
Days at or above 30 C (86 F) per year at San Luis Ameca
YearDaysDecade average
196141.8
196211.8
196411.8
196711.8
196921.8
197113.4
197223.4
197323.4
197413.4
197523.4
197723.4
1978153.4
197923.4
19801118.1
19811018.1
19823018.1
19834118.1
19841418.1
19861718.1
1987418.1
199628.3
199718.3
1998278.3
199938.3
200016.1
200146.1
200276.1
2003126.1
2005106.1
200646.1
200856.1
200966.1
201054
201164
201214
First to last qualifying date each year at San Luis Ameca For each year, a bar from the first to the last day at San Luis Ameca meeting 30 C (86 F). 1961: 15 April 1961 to 12 May 19611962: 14 June 1962 to 14 June 19621964: 2 May 1964 to 2 May 19641967: 8 May 1967 to 8 May 19671969: 8 June 1969 to 12 June 19691971: 5 May 1971 to 5 May 19711972: 6 April 1972 to 8 April 19721973: 27 May 1973 to 28 May 19731974: 22 August 1974 to 22 August 19741975: 2 April 1975 to 18 April 19751977: 18 March 1977 to 19 March 19771978: 18 April 1978 to 15 October 19781979: 23 March 1979 to 21 November 19791980: 7 March 1980 to 31 May 19801981: 31 March 1981 to 22 May 19811982: 11 March 1982 to 20 June 19821983: 18 April 1983 to 19 June 19831984: 28 March 1984 to 6 May 19841986: 1 April 1986 to 19 September 19861987: 16 April 1987 to 23 May 19871996: 21 May 1996 to 22 May 19961997: 5 March 1997 to 5 March 19971998: 6 April 1998 to 16 June 19981999: 6 April 1999 to 11 April 19992000: 20 April 2000 to 20 April 20002001: 4 April 2001 to 21 May 20012002: 18 April 2002 to 28 May 20022003: 9 March 2003 to 6 June 20032005: 6 April 2005 to 14 June 20052006: 13 March 2006 to 21 April 20062008: 4 April 2008 to 2 June 20082009: 28 February 2009 to 9 May 20092010: 5 May 2010 to 23 May 20102011: 8 April 2011 to 29 May 20112012: 30 May 2012 to 30 May 20121961197119771982199620012008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Luis Ameca meeting 30 C (86 F).
First to last qualifying date each year at San Luis Ameca
YearFirst dateLast date
19611961-04-151961-05-12
19621962-06-141962-06-14
19641964-05-021964-05-02
19671967-05-081967-05-08
19691969-06-081969-06-12
19711971-05-051971-05-05
19721972-04-061972-04-08
19731973-05-271973-05-28
19741974-08-221974-08-22
19751975-04-021975-04-18
19771977-03-181977-03-19
19781978-04-181978-10-15
19791979-03-231979-11-21
19801980-03-071980-05-31
19811981-03-311981-05-22
19821982-03-111982-06-20
19831983-04-181983-06-19
19841984-03-281984-05-06
19861986-04-011986-09-19
19871987-04-161987-05-23
19961996-05-211996-05-22
19971997-03-051997-03-05
19981998-04-061998-06-16
19991999-04-061999-04-11
20002000-04-202000-04-20
20012001-04-042001-05-21
20022002-04-182002-05-28
20032003-03-092003-06-06
20052005-04-062005-06-14
20062006-03-132006-04-21
20082008-04-042008-06-02
20092009-02-282009-05-09
20102010-05-052010-05-23
20112011-04-082011-05-29
20122012-05-302012-05-30

Every Fixed Threshold

Fixed thresholds at San Luis Ameca
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days354119831
35 C (95 F): Days1119831
90 F (32.2 C): Days4519831
0 C (32 F): Frost days (min4176197220
-10 C (14 F): Days with min3119611
10 mm (0.39 in): Days with 10 mm or more rain4229196718
25 mm (0.98 in): Days with 25 mm or more rain40719703
50 mm (1.97 in): Days with 50 mm or more rain8220101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for San Luis Ameca 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).