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Built 2026-10-16 (16 October 2026)

Valley Center California Threshold Days by Year

10 fixed thresholds counted per year at Valley Center California (USR0000CVAL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valley Center California Thresholds

  • Valley Center California: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2008 with 148.
  • Valley Center California: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 2003 with 90.
  • Valley Center California: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2003 with 118.
  • Valley Center California: days with a maximum temperature at or above 100 F (37.8 C) in 28 years, most in 2003 with 43.
  • 10 fixed thresholds have at least one qualifying day at Valley Center California.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Valley Center California Days per year at Valley Center California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 2008. 0501001501991: 831996: 1191997: 1151998: 861999: 1162000: 972003: 1392004: 1422005: 1302008: 1482009: 1012010: 612011: 822012: 982013: 922014: 1232015: 1102016: 1062017: 1162018: 1052019: 892020: 1212021: 1092022: 1052023: 722024: 1032025: 972026: 1161991199820032008201120142017202020232026
Days per year at Valley Center California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 2008.
Days at or above 30 C (86 F) per year at Valley Center California
YearDaysDecade average
199183103.8
1996119103.8
1997115103.8
199886103.8
1999116103.8
200097126.2
2003139126.2
2004142126.2
2005130126.2
2008148126.2
2009101126.2
20106198.2
20118298.2
20129898.2
20139298.2
201412398.2
201511098.2
201610698.2
201711698.2
201810598.2
20198998.2
2020121103.3
2021109103.3
2022105103.3
202372103.3
2024103103.3
202597103.3
2026116103.3
First to last qualifying date each year at Valley Center California For each year, a bar from the first to the last day at Valley Center California meeting 30 C (86 F). 1991: 4 April 1991 to 7 November 19911996: 7 January 1996 to 12 November 19961997: 9 March 1997 to 6 November 19971998: 20 April 1998 to 23 October 19981999: 15 April 1999 to 14 November 19992000: 14 January 2000 to 17 October 20002003: 25 January 2003 to 19 November 20032004: 17 February 2004 to 11 December 20042005: 6 April 2005 to 24 December 20052008: 22 March 2008 to 1 December 20082009: 28 February 2009 to 3 November 20092010: 5 June 2010 to 12 December 20102011: 31 March 2011 to 30 October 20112012: 20 April 2012 to 24 November 20122013: 14 March 2013 to 16 December 20132014: 14 February 2014 to 27 November 20142015: 5 February 2015 to 1 November 20152016: 9 February 2016 to 14 November 20162017: 12 March 2017 to 29 December 20172018: 9 April 2018 to 3 November 20182019: 8 April 2019 to 18 November 20192020: 23 April 2020 to 16 November 20202021: 15 January 2021 to 15 November 20212022: 25 March 2022 to 20 October 20222023: 21 April 2023 to 5 November 20232024: 12 June 2024 to 27 October 20242025: 24 March 2025 to 10 December 20252026: 1 February 2026 to 10 October 20261991199920052011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Valley Center California meeting 30 C (86 F).
First to last qualifying date each year at Valley Center California
YearFirst dateLast date
19911991-04-041991-11-07
19961996-01-071996-11-12
19971997-03-091997-11-06
19981998-04-201998-10-23
19991999-04-151999-11-14
20002000-01-142000-10-17
20032003-01-252003-11-19
20042004-02-172004-12-11
20052005-04-062005-12-24
20082008-03-222008-12-01
20092009-02-282009-11-03
20102010-06-052010-12-12
20112011-03-312011-10-30
20122012-04-202012-11-24
20132013-03-142013-12-16
20142014-02-142014-11-27
20152015-02-052015-11-01
20162016-02-092016-11-14
20172017-03-122017-12-29
20182018-04-092018-11-03
20192019-04-082019-11-18
20202020-04-232020-11-16
20212021-01-152021-11-15
20222022-03-252022-10-20
20232023-04-212023-11-05
20242024-06-122024-10-27
20252025-03-242025-12-10
20262026-02-012026-10-10

Every Fixed Threshold

Fixed thresholds at Valley Center California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days281482008116
35 C (95 F): Days2890200341
40 C (104 F): Days182120031
45 C (113 F): Days1120181
90 F (32.2 C): Days28118200382
100 F (37.8 C): Days284320039
110 F (43.3 C): Days4320031
0 C (32 F): Frost days (min242720041
20 C (68 F): Tropical nights (min2623201526
25 C (77 F): Days with min3120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Valley Center California 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).