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Built 2026-10-19 (19 October 2026)

San Luis San Pedro Threshold Days by Year (MXN00012070)

12 fixed thresholds counted per year at San Luis San Pedro (MXN00012070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Luis San Pedro Thresholds

  • San Luis San Pedro: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1958 with 40.
  • San Luis San Pedro: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1955 with 23.
  • San Luis San Pedro: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1968 with 365.
  • San Luis San Pedro: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 1991 with 296.
  • 12 fixed thresholds have at least one qualifying day at San Luis San Pedro.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at San Luis San Pedro Days per year at San Luis San Pedro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1968. 01002003004001956: 3471957: 3601958: 3281959: 3481960: 3151961: 2491962: 2191963: 3421964: 3601965: 3541966: 3571967: 3481968: 3651969: 3391970: 2921971: 2621972: 3471973: 3121974: 3261975: 3401976: 3531977: 3641978: 3571979: 3471980: 3561981: 3531982: 3561983: 3561984: 3501985: 3301991: 3371992: 33219561960196419681972197619801984
Days per year at San Luis San Pedro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1968.
Days at or above 30 C (86 F) per year at San Luis San Pedro
YearDaysDecade average
1956347345.8
1957360345.8
1958328345.8
1959348345.8
1960315324.8
1961249324.8
1962219324.8
1963342324.8
1964360324.8
1965354324.8
1966357324.8
1967348324.8
1968365324.8
1969339324.8
1970292330
1971262330
1972347330
1973312330
1974326330
1975340330
1976353330
1977364330
1978357330
1979347330
1980356350.2
1981353350.2
1982356350.2
1983356350.2
1984350350.2
1985330350.2
1991337334.5
1992332334.5
First to last qualifying date each year at San Luis San Pedro For each year, a bar from the first to the last day at San Luis San Pedro meeting 30 C (86 F). 1956: 1 January 1956 to 31 December 19561957: 1 January 1957 to 31 December 19571958: 1 January 1958 to 31 December 19581959: 3 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 21 January 1961 to 31 December 19611962: 12 January 1962 to 30 December 19621963: 14 January 1963 to 31 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 29 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 2 January 1974 to 31 December 19741975: 1 January 1975 to 31 December 19751976: 1 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851991: 1 January 1991 to 31 December 19911992: 1 February 1992 to 31 December 199219561960196419681972197619801984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Luis San Pedro meeting 30 C (86 F).
First to last qualifying date each year at San Luis San Pedro
YearFirst dateLast date
19561956-01-011956-12-31
19571957-01-011957-12-31
19581958-01-011958-12-31
19591959-01-031959-12-31
19601960-01-011960-12-31
19611961-01-211961-12-31
19621962-01-121962-12-30
19631963-01-141963-12-31
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-29
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-021974-12-31
19751975-01-011975-12-31
19761976-01-011976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19851985-01-011985-12-31
19911991-01-011991-12-31
19921992-02-011992-12-31

Every Fixed Threshold

Fixed thresholds at San Luis San Pedro
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days323651968332
35 C (95 F): Days29191199139
40 C (104 F): Days266199166
90 F (32.2 C): Days322961991238
100 F (37.8 C): Days710019911
20 C (68 F): Tropical nights (min323641977317
25 C (77 F): Days with min30138196113
10 mm (0.39 in): Days with 10 mm or more rain3440195828
25 mm (0.98 in): Days with 25 mm or more rain3423195514
50 mm (1.97 in): Days with 50 mm or more rain321019553
100 mm (3.94 in): Days with 100 mm or more rain18519551
200 mm (7.87 in): Days with 200 mm or more rain6219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for San Luis 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).