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

San Jose Threshold Days by Year (MXN00015091)

6 fixed thresholds counted per year at San Jose (MXN00015091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Jose Thresholds

  • San Jose: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1975 with 26.
  • San Jose: days with 10 mm (0.39 in) or more of precipitation in 8 years, most in 1972 with 27.
  • San Jose: days with 25 mm (0.98 in) or more of precipitation in 8 years, most in 1973 with 6.
  • San Jose: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1972 with 1.
  • 6 fixed thresholds have at least one qualifying day at San Jose.
8 years with a qualifying day
Nights at or below 0 C (32 F) per year at San Jose Days per year at San Jose with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 26 in 1975. 01020301970: 161971: 61972: 91973: 161974: 101975: 261976: 192009: 2019701971197219731974197519762009
Days per year at San Jose with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 26 in 1975.
Nights at or below 0 C (32 F) per year at San Jose
YearDaysDecade average
19701614.6
1971614.6
1972914.6
19731614.6
19741014.6
19752614.6
19761914.6
20092020
First to last qualifying date each year at San Jose For each year, a bar from the first to the last day at San Jose meeting 0 C (32 F). 1970: 7 January 1970 to 8 December 19701971: 10 February 1971 to 24 December 19711972: 17 January 1972 to 22 December 19721973: 12 January 1973 to 26 December 19731974: 25 February 1974 to 27 November 19741975: 13 January 1975 to 31 December 19751976: 1 January 1976 to 28 February 19762009: 1 January 2009 to 23 December 200919701971197219731974197519762009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Jose meeting 0 C (32 F).
First to last qualifying date each year at San Jose
YearFirst dateLast date
19701970-01-071970-12-08
19711971-02-101971-12-24
19721972-01-171972-12-22
19731973-01-121973-12-26
19741974-02-251974-11-27
19751975-01-131975-12-31
19761976-01-011976-02-28
20092009-01-012009-12-23

Every Fixed Threshold

Fixed thresholds at San Jose
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days154200954
90 F (32.2 C): Days1620096
0 C (32 F): Frost days (min826197520
10 mm (0.39 in): Days with 10 mm or more rain827197219
25 mm (0.98 in): Days with 25 mm or more rain8619735
50 mm (1.97 in): Days with 50 mm or more rain2119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2009.

Download the Data

  • Data for San Jose 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).