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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 (MXN00003058)

15 fixed thresholds counted per year at San Pedro (MXN00003058): 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 10 mm (0.39 in) or more of precipitation in 58 years, most in 1983 with 17.
  • San Pedro: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1957 with 11.
  • San Pedro: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1956 with 297.
  • San Pedro: days with a maximum temperature at or above 35 C (95 F) in 54 years, most in 1956 with 195.
  • 15 fixed thresholds have at least one qualifying day at San Pedro.
54 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 297 in 1956. 01002003001952: 2631953: 2651954: 2551955: 2751956: 2971957: 2191958: 2861960: 2561961: 2251962: 2331963: 2481964: 2031965: 2411966: 2531967: 2541968: 2341970: 2471971: 2471972: 2451973: 2301974: 2311975: 1631976: 1741977: 2471978: 2231979: 2041980: 2581981: 1741982: 2041983: 1991984: 1891985: 1931986: 2571987: 2391988: 2431989: 2571991: 2321993: 2471994: 2411995: 2701996: 2561997: 2311998: 2001999: 2432000: 2572001: 2102002: 2322005: 2282006: 2472007: 2342008: 2522010: 2592011: 2682012: 257195219581965197219781984199119982006
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 297 in 1956.
Days at or above 30 C (86 F) per year at San Pedro
YearDaysDecade average
1952263265.7
1953265265.7
1954255265.7
1955275265.7
1956297265.7
1957219265.7
1958286265.7
1960256238.6
1961225238.6
1962233238.6
1963248238.6
1964203238.6
1965241238.6
1966253238.6
1967254238.6
1968234238.6
1970247221.1
1971247221.1
1972245221.1
1973230221.1
1974231221.1
1975163221.1
1976174221.1
1977247221.1
1978223221.1
1979204221.1
1980258221.3
1981174221.3
1982204221.3
1983199221.3
1984189221.3
1985193221.3
1986257221.3
1987239221.3
1988243221.3
1989257221.3
1991232240
1993247240
1994241240
1995270240
1996256240
1997231240
1998200240
1999243240
2000257237.1
2001210237.1
2002232237.1
2005228237.1
2006247237.1
2007234237.1
2008252237.1
2010259261.3
2011268261.3
2012257261.3
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). 1952: 7 January 1952 to 17 December 19521953: 7 January 1953 to 17 November 19531954: 6 February 1954 to 31 December 19541955: 14 February 1955 to 30 December 19551956: 1 January 1956 to 4 December 19561957: 3 January 1957 to 30 December 19571958: 1 January 1958 to 30 November 19581960: 1 March 1960 to 2 December 19601961: 3 February 1961 to 2 December 19611962: 5 February 1962 to 12 December 19621963: 31 January 1963 to 26 December 19631964: 11 February 1964 to 24 December 19641965: 16 March 1965 to 29 December 19651966: 10 January 1966 to 23 December 19661967: 6 January 1967 to 15 December 19671968: 20 January 1968 to 17 December 19681970: 1 March 1970 to 9 December 19701971: 17 January 1971 to 30 December 19711972: 18 February 1972 to 4 December 19721973: 28 February 1973 to 17 December 19731974: 16 January 1974 to 17 November 19741975: 4 March 1975 to 10 December 19751976: 18 January 1976 to 24 October 19761977: 28 January 1977 to 29 December 19771978: 28 February 1978 to 18 December 19781979: 3 January 1979 to 28 November 19791980: 1 January 1980 to 20 December 19801981: 9 April 1981 to 31 December 19811982: 10 March 1982 to 16 November 19821983: 1 April 1983 to 25 December 19831984: 9 March 1984 to 8 November 19841985: 10 March 1985 to 31 December 19851986: 24 January 1986 to 5 December 19861987: 28 January 1987 to 5 December 19871988: 5 January 1988 to 24 November 19881989: 18 February 1989 to 10 December 19891991: 7 February 1991 to 22 November 19911993: 1 January 1993 to 22 December 19931994: 5 January 1994 to 6 December 19941995: 4 February 1995 to 17 December 19951996: 9 January 1996 to 22 December 19961997: 3 January 1997 to 26 November 19971998: 19 January 1998 to 31 December 19981999: 7 January 1999 to 1 December 19992000: 16 January 2000 to 25 December 20002001: 5 February 2001 to 3 December 20012002: 28 January 2002 to 17 December 20022005: 18 January 2005 to 26 December 20052006: 1 January 2006 to 18 December 20062007: 18 February 2007 to 27 November 20072008: 5 January 2008 to 28 December 20082010: 17 January 2010 to 14 December 20102011: 17 January 2011 to 1 December 20112012: 4 January 2012 to 12 December 201219521960196719751982198919982007JanFebMarAprMayJunJulAugSepOctNovDec
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
19521952-01-071952-12-17
19531953-01-071953-11-17
19541954-02-061954-12-31
19551955-02-141955-12-30
19561956-01-011956-12-04
19571957-01-031957-12-30
19581958-01-011958-11-30
19601960-03-011960-12-02
19611961-02-031961-12-02
19621962-02-051962-12-12
19631963-01-311963-12-26
19641964-02-111964-12-24
19651965-03-161965-12-29
19661966-01-101966-12-23
19671967-01-061967-12-15
19681968-01-201968-12-17
19701970-03-011970-12-09
19711971-01-171971-12-30
19721972-02-181972-12-04
19731973-02-281973-12-17
19741974-01-161974-11-17
19751975-03-041975-12-10
19761976-01-181976-10-24
19771977-01-281977-12-29
19781978-02-281978-12-18
19791979-01-031979-11-28
19801980-01-011980-12-20
19811981-04-091981-12-31
19821982-03-101982-11-16
19831983-04-011983-12-25
19841984-03-091984-11-08
19851985-03-101985-12-31
19861986-01-241986-12-05
19871987-01-281987-12-05
19881988-01-051988-11-24
19891989-02-181989-12-10
19911991-02-071991-11-22
19931993-01-011993-12-22
19941994-01-051994-12-06
19951995-02-041995-12-17
19961996-01-091996-12-22
19971997-01-031997-11-26
19981998-01-191998-12-31
19991999-01-071999-12-01
20002000-01-162000-12-25
20012001-02-052001-12-03
20022002-01-282002-12-17
20052005-01-182005-12-26
20062006-01-012006-12-18
20072007-02-182007-11-27
20082008-01-052008-12-28
20102010-01-172010-12-14
20112011-01-172011-12-01
20122012-01-042012-12-12

Every Fixed Threshold

Fixed thresholds at San Pedro
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days542971956257
35 C (95 F): Days541951956135
40 C (104 F): Days5152195331
45 C (113 F): Days2119721
90 F (32.2 C): Days542281956175
100 F (37.8 C): Days54118201161
110 F (43.3 C): Days2419804
0 C (32 F): Frost days (min3119561
20 C (68 F): Tropical nights (min541402012140
25 C (77 F): Days with min4240201240
10 mm (0.39 in): Days with 10 mm or more rain5817198311
25 mm (0.98 in): Days with 25 mm or more rain561119572
50 mm (1.97 in): Days with 50 mm or more rain41620061
100 mm (3.94 in): Days with 100 mm or more rain10219571
200 mm (7.87 in): Days with 200 mm or more rain2119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

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).