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Built 2026-10-19 (19 October 2026)

Julian California Threshold Days by Year (USR0000CJUL)

9 fixed thresholds counted per year at Julian California (USR0000CJUL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Julian California Thresholds

  • Julian California: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2003 with 100.
  • Julian California: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2003 with 61.
  • Julian California: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 2001 with 40.
  • Julian California: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 2024 with 27.
  • 9 fixed thresholds have at least one qualifying day at Julian California.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Julian California Days per year at Julian California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2003. 02550751001994: 751995: 661996: 841997: 691999: 602000: 712001: 902002: 802003: 1002004: 712005: 632006: 892007: 882008: 612009: 672010: 432011: 522012: 472013: 462014: 492015: 532016: 612017: 642018: 582019: 492020: 712021: 762022: 762023: 442024: 762025: 482026: 6419941999200320072011201520192023
Days per year at Julian California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2003.
Days at or above 30 C (86 F) per year at Julian California
YearDaysDecade average
19947570.8
19956670.8
19968470.8
19976970.8
19996070.8
20007178
20019078
20028078
200310078
20047178
20056378
20068978
20078878
20086178
20096778
20104352.2
20115252.2
20124752.2
20134652.2
20144952.2
20155352.2
20166152.2
20176452.2
20185852.2
20194952.2
20207165
20217665
20227665
20234465
20247665
20254865
20266465
First to last qualifying date each year at Julian California For each year, a bar from the first to the last day at Julian California meeting 30 C (86 F). 1994: 8 June 1994 to 28 September 19941995: 10 June 1995 to 14 October 19951996: 26 April 1996 to 9 October 19961997: 10 May 1997 to 1 October 19971999: 13 June 1999 to 13 October 19992000: 20 May 2000 to 1 October 20002001: 16 April 2001 to 19 October 20012002: 17 May 2002 to 8 October 20022003: 20 May 2003 to 28 October 20032004: 27 April 2004 to 8 October 20042005: 21 May 2005 to 30 September 20052006: 11 May 2006 to 29 September 20062007: 16 March 2007 to 19 October 20072008: 17 May 2008 to 1 October 20082009: 16 May 2009 to 17 October 20092010: 27 June 2010 to 29 September 20102011: 14 June 2011 to 14 October 20112012: 20 May 2012 to 2 October 20122013: 13 May 2013 to 16 September 20132014: 8 June 2014 to 5 October 20142015: 30 May 2015 to 30 September 20152016: 31 May 2016 to 18 September 20162017: 4 May 2017 to 11 September 20172018: 29 May 2018 to 27 September 20182019: 10 June 2019 to 15 September 20192020: 26 May 2020 to 20 October 20202021: 31 May 2021 to 22 September 20212022: 14 May 2022 to 29 September 20222023: 30 June 2023 to 19 October 20232024: 5 June 2024 to 8 October 20242025: 10 May 2025 to 16 September 20252026: 18 March 2026 to 8 October 202619941999200320072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Julian California meeting 30 C (86 F).
First to last qualifying date each year at Julian California
YearFirst dateLast date
19941994-06-081994-09-28
19951995-06-101995-10-14
19961996-04-261996-10-09
19971997-05-101997-10-01
19991999-06-131999-10-13
20002000-05-202000-10-01
20012001-04-162001-10-19
20022002-05-172002-10-08
20032003-05-202003-10-28
20042004-04-272004-10-08
20052005-05-212005-09-30
20062006-05-112006-09-29
20072007-03-162007-10-19
20082008-05-172008-10-01
20092009-05-162009-10-17
20102010-06-272010-09-29
20112011-06-142011-10-14
20122012-05-202012-10-02
20132013-05-132013-09-16
20142014-06-082014-10-05
20152015-05-302015-09-30
20162016-05-312016-09-18
20172017-05-042017-09-11
20182018-05-292018-09-27
20192019-06-102019-09-15
20202020-05-262020-10-20
20212021-05-312021-09-22
20222022-05-142022-09-29
20232023-06-302023-10-19
20242024-06-052024-10-08
20252025-05-102025-09-16
20262026-03-182026-10-08

Every Fixed Threshold

Fixed thresholds at Julian California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32100200364
35 C (95 F): Days312220069
40 C (104 F): Days3220072
90 F (32.2 C): Days3261200335
100 F (37.8 C): Days16620062
0 C (32 F): Ice days (max9220232
0 C (32 F): Frost days (min324020013
20 C (68 F): Tropical nights (min3227202433
25 C (77 F): Days with min3120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Julian 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).