Built 2026-10-19 (19 October 2026)

San Francisco Oceanside Threshold Days by Year (USC00047767)

9 fixed thresholds counted per year at San Francisco Oceanside (USC00047767): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Francisco Oceanside Thresholds

  • San Francisco Oceanside: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1998 with 30.
  • San Francisco Oceanside: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1962 with 10.
  • San Francisco Oceanside: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1962 with 2.
  • San Francisco Oceanside: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1965 with 6.
  • 9 fixed thresholds have at least one qualifying day at San Francisco Oceanside.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at San Francisco Oceanside Days per year at San Francisco Oceanside with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1965. 02461960: 11961: 21964: 11965: 61966: 21967: 31970: 41973: 21974: 11976: 21978: 21980: 11991: 11992: 21996: 21999: 119601964196619701974197819911996
Days per year at San Francisco Oceanside with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1965.
Days at or above 30 C (86 F) per year at San Francisco Oceanside
YearDaysDecade average
196012.5
196122.5
196412.5
196562.5
196622.5
196732.5
197042.2
197322.2
197412.2
197622.2
197822.2
198011
199111.5
199221.5
199621.5
199911.5
First to last qualifying date each year at San Francisco Oceanside For each year, a bar from the first to the last day at San Francisco Oceanside meeting 30 C (86 F). 1960: 16 October 1960 to 16 October 19601961: 4 September 1961 to 14 October 19611964: 22 September 1964 to 22 September 19641965: 1 October 1965 to 25 October 19651966: 28 September 1966 to 30 October 19661967: 15 October 1967 to 17 October 19671970: 23 September 1970 to 26 September 19701973: 26 September 1973 to 27 September 19731974: 17 October 1974 to 17 October 19741976: 6 October 1976 to 12 October 19761978: 24 September 1978 to 13 October 19781980: 2 October 1980 to 2 October 19801991: 20 October 1991 to 20 October 19911992: 26 September 1992 to 7 October 19921996: 7 October 1996 to 8 October 19961999: 28 September 1999 to 28 September 199919601964196619701974197819911996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Francisco Oceanside meeting 30 C (86 F).
First to last qualifying date each year at San Francisco Oceanside
YearFirst dateLast date
19601960-10-161960-10-16
19611961-09-041961-10-14
19641964-09-221964-09-22
19651965-10-011965-10-25
19661966-09-281966-10-30
19671967-10-151967-10-17
19701970-09-231970-09-26
19731973-09-261973-09-27
19741974-10-171974-10-17
19761976-10-061976-10-12
19781978-09-241978-10-13
19801980-10-021980-10-02
19911991-10-201991-10-20
19921992-09-261992-10-07
19961996-10-071996-10-08
19991999-09-281999-09-28

Every Fixed Threshold

Fixed thresholds at San Francisco Oceanside
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days16619651
35 C (95 F): Days3119611
90 F (32.2 C): Days9319651
0 C (32 F): Frost days (min16719721
20 C (68 F): Tropical nights (min3119661
10 mm (0.39 in): Days with 10 mm or more rain523019987
25 mm (0.98 in): Days with 25 mm or more rain501019621
50 mm (1.97 in): Days with 50 mm or more rain24219621
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for San Francisco Oceanside 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 (2026-10-15).