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

San Gregorio Threshold Days by Year (MXN00014125)

9 fixed thresholds counted per year at San Gregorio (MXN00014125): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Gregorio Thresholds

  • San Gregorio: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1968 with 63.
  • San Gregorio: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1952 with 23.
  • San Gregorio: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1957 with 83.
  • San Gregorio: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 2002 with 44.
  • 9 fixed thresholds have at least one qualifying day at San Gregorio.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at San Gregorio Days per year at San Gregorio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 2002. 02040601945: 161946: 251948: 41950: 41952: 11953: 11957: 181958: 211959: 21960: 211961: 221962: 51963: 71964: 61966: 21967: 21968: 21970: 41971: 21972: 161973: 61974: 31975: 71976: 71977: 11978: 91979: 131980: 231981: 51982: 151983: 141984: 51985: 121987: 111988: 321989: 131991: 311992: 31993: 81994: 131995: 131997: 11998: 301999: 92000: 142001: 162002: 442003: 232004: 12005: 172006: 122007: 92008: 122009: 52010: 161945195719631971197719831991199820042010
Days per year at San Gregorio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 2002.
Days at or above 30 C (86 F) per year at San Gregorio
YearDaysDecade average
19451615
19462515
1948415
195047.8
195217.8
195317.8
1957187.8
1958217.8
195927.8
1960218.4
1961228.4
196258.4
196378.4
196468.4
196628.4
196728.4
196828.4
197046.8
197126.8
1972166.8
197366.8
197436.8
197576.8
197676.8
197716.8
197896.8
1979136.8
19802314.4
1981514.4
19821514.4
19831414.4
1984514.4
19851214.4
19871114.4
19883214.4
19891314.4
19913113.5
1992313.5
1993813.5
19941313.5
19951313.5
1997113.5
19983013.5
1999913.5
20001415.3
20011615.3
20024415.3
20032315.3
2004115.3
20051715.3
20061215.3
2007915.3
20081215.3
2009515.3
20101616
First to last qualifying date each year at San Gregorio For each year, a bar from the first to the last day at San Gregorio meeting 30 C (86 F). 1945: 4 April 1945 to 25 June 19451946: 18 March 1946 to 28 July 19461948: 27 March 1948 to 1 June 19481950: 3 May 1950 to 30 May 19501952: 9 September 1952 to 9 September 19521953: 21 May 1953 to 21 May 19531957: 6 April 1957 to 15 June 19571958: 3 April 1958 to 24 October 19581959: 27 April 1959 to 23 May 19591960: 1 May 1960 to 20 June 19601961: 15 April 1961 to 31 May 19611962: 25 May 1962 to 12 June 19621963: 12 April 1963 to 29 April 19631964: 28 April 1964 to 7 June 19641966: 28 April 1966 to 18 May 19661967: 8 May 1967 to 13 May 19671968: 25 May 1968 to 28 May 19681970: 23 April 1970 to 12 May 19701971: 29 April 1971 to 8 May 19711972: 4 April 1972 to 23 May 19721973: 12 May 1973 to 4 June 19731974: 22 April 1974 to 17 May 19741975: 6 April 1975 to 8 May 19751976: 28 April 1976 to 31 May 19761977: 31 March 1977 to 31 March 19771978: 17 April 1978 to 30 May 19781979: 14 March 1979 to 23 June 19791980: 9 March 1980 to 19 June 19801981: 4 April 1981 to 19 May 19811982: 30 March 1982 to 4 June 19821983: 22 April 1983 to 16 November 19831984: 28 April 1984 to 9 May 19841985: 29 April 1985 to 1 June 19851987: 16 April 1987 to 24 May 19871988: 28 February 1988 to 10 June 19881989: 4 May 1989 to 9 June 19891991: 8 March 1991 to 7 June 19911992: 15 June 1992 to 24 June 19921993: 26 April 1993 to 6 June 19931994: 21 March 1994 to 31 May 19941995: 14 April 1995 to 8 June 19951997: 5 May 1997 to 5 May 19971998: 15 April 1998 to 21 June 19981999: 6 April 1999 to 2 June 19992000: 19 April 2000 to 10 May 20002001: 6 April 2001 to 28 May 20012002: 31 March 2002 to 26 May 20022003: 9 March 2003 to 20 May 20032004: 30 October 2004 to 30 October 20042005: 6 April 2005 to 14 June 20052006: 2 April 2006 to 11 May 20062007: 24 April 2007 to 31 May 20072008: 2 April 2008 to 8 November 20082009: 2 May 2009 to 13 June 20092010: 5 May 2010 to 9 June 201019451958196619741981198919982005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Gregorio meeting 30 C (86 F).
First to last qualifying date each year at San Gregorio
YearFirst dateLast date
19451945-04-041945-06-25
19461946-03-181946-07-28
19481948-03-271948-06-01
19501950-05-031950-05-30
19521952-09-091952-09-09
19531953-05-211953-05-21
19571957-04-061957-06-15
19581958-04-031958-10-24
19591959-04-271959-05-23
19601960-05-011960-06-20
19611961-04-151961-05-31
19621962-05-251962-06-12
19631963-04-121963-04-29
19641964-04-281964-06-07
19661966-04-281966-05-18
19671967-05-081967-05-13
19681968-05-251968-05-28
19701970-04-231970-05-12
19711971-04-291971-05-08
19721972-04-041972-05-23
19731973-05-121973-06-04
19741974-04-221974-05-17
19751975-04-061975-05-08
19761976-04-281976-05-31
19771977-03-311977-03-31
19781978-04-171978-05-30
19791979-03-141979-06-23
19801980-03-091980-06-19
19811981-04-041981-05-19
19821982-03-301982-06-04
19831983-04-221983-11-16
19841984-04-281984-05-09
19851985-04-291985-06-01
19871987-04-161987-05-24
19881988-02-281988-06-10
19891989-05-041989-06-09
19911991-03-081991-06-07
19921992-06-151992-06-24
19931993-04-261993-06-06
19941994-03-211994-05-31
19951995-04-141995-06-08
19971997-05-051997-05-05
19981998-04-151998-06-21
19991999-04-061999-06-02
20002000-04-192000-05-10
20012001-04-062001-05-28
20022002-03-312002-05-26
20032003-03-092003-05-20
20042004-10-302004-10-30
20052005-04-062005-06-14
20062006-04-022006-05-11
20072007-04-242007-05-31
20082008-04-022008-11-08
20092009-05-022009-06-13
20102010-05-052010-06-09

Every Fixed Threshold

Fixed thresholds at San Gregorio
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5544200216
35 C (95 F): Days2119461
90 F (32.2 C): Days9219451
100 F (37.8 C): Days1119461
0 C (32 F): Frost days (min5883195776
10 mm (0.39 in): Days with 10 mm or more rain6263196847
25 mm (0.98 in): Days with 25 mm or more rain6123195221
50 mm (1.97 in): Days with 50 mm or more rain43720107
100 mm (3.94 in): Days with 100 mm or more rain3119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for San Gregorio 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).