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

San Pedro Threshold Days by Year (MXN00005036)

15 fixed thresholds counted per year at San Pedro (MXN00005036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Pedro Thresholds

  • San Pedro: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1964 with 275.
  • San Pedro: days with a maximum temperature at or above 35 C (95 F) in 46 years, most in 1964 with 199.
  • San Pedro: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1964 with 237.
  • San Pedro: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1966 with 42.
  • 15 fixed thresholds have at least one qualifying day at San Pedro.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at San Pedro Days per year at San Pedro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 275 in 1964. 01002003001964: 2751965: 2321966: 2121967: 2051968: 1901970: 2231971: 2241972: 2481973: 2131974: 2361975: 2301976: 2221977: 2401978: 2271979: 2421980: 2061981: 2051983: 1991984: 2111985: 2041986: 2021987: 1651988: 2141989: 2201990: 1981991: 1851992: 1901993: 1961994: 2371995: 2101996: 2191997: 1911998: 2141999: 2222000: 2152001: 1992002: 2132003: 1952004: 2082005: 2572006: 2182008: 732009: 1192010: 2082011: 2572012: 2251964197019751980198619911996200120062012
Days per year at San Pedro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 275 in 1964.
Days at or above 30 C (86 F) per year at San Pedro
YearDaysDecade average
1964275222.8
1965232222.8
1966212222.8
1967205222.8
1968190222.8
1970223230.5
1971224230.5
1972248230.5
1973213230.5
1974236230.5
1975230230.5
1976222230.5
1977240230.5
1978227230.5
1979242230.5
1980206202.9
1981205202.9
1983199202.9
1984211202.9
1985204202.9
1986202202.9
1987165202.9
1988214202.9
1989220202.9
1990198206.2
1991185206.2
1992190206.2
1993196206.2
1994237206.2
1995210206.2
1996219206.2
1997191206.2
1998214206.2
1999222206.2
2000215188.6
2001199188.6
2002213188.6
2003195188.6
2004208188.6
2005257188.6
2006218188.6
200873188.6
2009119188.6
2010208230
2011257230
2012225230
First to last qualifying date each year at San Pedro For each year, a bar from the first to the last day at San Pedro meeting 30 C (86 F). 1964: 12 January 1964 to 31 December 19641965: 1 January 1965 to 2 December 19651966: 1 January 1966 to 7 December 19661967: 28 February 1967 to 1 December 19671968: 18 March 1968 to 13 November 19681970: 27 January 1970 to 29 December 19701971: 22 January 1971 to 26 December 19711972: 26 January 1972 to 11 December 19721973: 4 February 1973 to 26 November 19731974: 18 January 1974 to 19 November 19741975: 24 January 1975 to 4 December 19751976: 9 February 1976 to 26 October 19761977: 19 February 1977 to 28 November 19771978: 27 February 1978 to 23 December 19781979: 1 February 1979 to 9 November 19791980: 19 February 1980 to 13 November 19801981: 9 February 1981 to 3 December 19811983: 1 March 1983 to 21 November 19831984: 17 February 1984 to 17 November 19841985: 1 March 1985 to 30 November 19851986: 15 February 1986 to 21 November 19861987: 14 February 1987 to 31 December 19871988: 11 February 1988 to 26 December 19881989: 6 January 1989 to 14 November 19891990: 5 March 1990 to 14 December 19901991: 6 March 1991 to 30 October 19911992: 7 March 1992 to 11 November 19921993: 15 February 1993 to 24 November 19931994: 26 January 1994 to 8 December 19941995: 13 February 1995 to 26 November 19951996: 17 January 1996 to 27 November 19961997: 18 February 1997 to 26 November 19971998: 9 February 1998 to 21 December 19981999: 20 January 1999 to 29 October 19992000: 10 February 2000 to 15 November 20002001: 14 February 2001 to 2 November 20012002: 20 January 2002 to 10 November 20022003: 4 March 2003 to 23 November 20032004: 18 February 2004 to 6 December 20042005: 4 January 2005 to 15 December 20052006: 22 January 2006 to 6 December 20062008: 15 March 2008 to 27 August 20082009: 7 February 2009 to 14 December 20092010: 22 January 2010 to 21 December 20102011: 19 January 2011 to 14 December 20112012: 24 January 2012 to 11 November 201219641971197719841990199620022009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Pedro meeting 30 C (86 F).
First to last qualifying date each year at San Pedro
YearFirst dateLast date
19641964-01-121964-12-31
19651965-01-011965-12-02
19661966-01-011966-12-07
19671967-02-281967-12-01
19681968-03-181968-11-13
19701970-01-271970-12-29
19711971-01-221971-12-26
19721972-01-261972-12-11
19731973-02-041973-11-26
19741974-01-181974-11-19
19751975-01-241975-12-04
19761976-02-091976-10-26
19771977-02-191977-11-28
19781978-02-271978-12-23
19791979-02-011979-11-09
19801980-02-191980-11-13
19811981-02-091981-12-03
19831983-03-011983-11-21
19841984-02-171984-11-17
19851985-03-011985-11-30
19861986-02-151986-11-21
19871987-02-141987-12-31
19881988-02-111988-12-26
19891989-01-061989-11-14
19901990-03-051990-12-14
19911991-03-061991-10-30
19921992-03-071992-11-11
19931993-02-151993-11-24
19941994-01-261994-12-08
19951995-02-131995-11-26
19961996-01-171996-11-27
19971997-02-181997-11-26
19981998-02-091998-12-21
19991999-01-201999-10-29
20002000-02-102000-11-15
20012001-02-142001-11-02
20022002-01-202002-11-10
20032003-03-042003-11-23
20042004-02-182004-12-06
20052005-01-042005-12-15
20062006-01-222006-12-06
20082008-03-152008-08-27
20092009-02-072009-12-14
20102010-01-222010-12-21
20112011-01-192011-12-14
20122012-01-242012-11-11

Every Fixed Threshold

Fixed thresholds at San Pedro
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days462751964225
35 C (95 F): Days46199196486
40 C (104 F): Days3810419644
45 C (113 F): Days1119641
90 F (32.2 C): Days462371964170
100 F (37.8 C): Days45136196413
110 F (43.3 C): Days114196414
0 C (32 F): Frost days (min464219663
-10 C (14 F): Days with min1319643
20 C (68 F): Tropical nights (min461032012103
25 C (77 F): Days with min6119781
10 mm (0.39 in): Days with 10 mm or more rain441420045
25 mm (0.98 in): Days with 25 mm or more rain32419782
50 mm (1.97 in): Days with 50 mm or more rain12220002
100 mm (3.94 in): Days with 100 mm or more rain1120001

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for San Pedro 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).