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Built 2026-10-18 (18 October 2026)

La Honda California Threshold Days by Year

8 fixed thresholds counted per year at La Honda California (USR0000CLAH): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Honda California Thresholds

  • La Honda California: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2020 with 41.
  • La Honda California: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2020 with 24.
  • La Honda California: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2013 with 17.
  • La Honda California: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 2020 with 13.
  • 8 fixed thresholds have at least one qualifying day at La Honda California.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at La Honda California Days per year at La Honda California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 2020. 02040601991: 161992: 131993: 151994: 101995: 221996: 261997: 141998: 201999: 232000: 182001: 282002: 222003: 302004: 202005: 192006: 182007: 132008: 312009: 272010: 212011: 192012: 192013: 182014: 262015: 292016: 202017: 342018: 142019: 252020: 412021: 282022: 192023: 192024: 352025: 72026: 16199119951999200320072011201520192023
Days per year at La Honda California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 2020.
Days at or above 30 C (86 F) per year at La Honda California
YearDaysDecade average
19911617.7
19921317.7
19931517.7
19941017.7
19952217.7
19962617.7
19971417.7
19982017.7
19992317.7
20001822.6
20012822.6
20022222.6
20033022.6
20042022.6
20051922.6
20061822.6
20071322.6
20083122.6
20092722.6
20102122.5
20111922.5
20121922.5
20131822.5
20142622.5
20152922.5
20162022.5
20173422.5
20181422.5
20192522.5
20204123.6
20212823.6
20221923.6
20231923.6
20243523.6
2025723.6
20261623.6
First to last qualifying date each year at La Honda California For each year, a bar from the first to the last day at La Honda California meeting 30 C (86 F). 1991: 1 July 1991 to 20 October 19911992: 9 August 1992 to 10 October 19921993: 17 June 1993 to 27 October 19931994: 9 June 1994 to 8 October 19941995: 23 June 1995 to 10 October 19951996: 29 April 1996 to 8 October 19961997: 16 May 1997 to 4 November 19971998: 15 July 1998 to 13 September 19981999: 28 June 1999 to 21 October 19992000: 20 May 2000 to 30 September 20002001: 7 May 2001 to 25 October 20012002: 5 June 2002 to 20 November 20022003: 27 May 2003 to 28 October 20032004: 25 April 2004 to 14 October 20042005: 11 March 2005 to 18 November 20052006: 14 May 2006 to 23 October 20062007: 13 June 2007 to 24 October 20072008: 14 May 2008 to 17 November 20082009: 19 April 2009 to 27 September 20092010: 12 June 2010 to 4 November 20102011: 20 June 2011 to 23 October 20112012: 20 April 2012 to 6 November 20122013: 2 May 2013 to 6 October 20132014: 30 April 2014 to 13 October 20142015: 14 March 2015 to 13 October 20152016: 6 April 2016 to 9 October 20162017: 3 May 2017 to 27 October 20172018: 2 June 2018 to 12 October 20182019: 23 April 2019 to 25 October 20192020: 8 May 2020 to 1 November 20202021: 16 June 2021 to 16 October 20212022: 7 April 2022 to 19 October 20222023: 30 June 2023 to 19 October 20232024: 5 June 2024 to 7 October 20242025: 25 March 2025 to 10 November 20252026: 17 March 2026 to 7 October 202619911996200120062011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Honda California meeting 30 C (86 F).
First to last qualifying date each year at La Honda California
YearFirst dateLast date
19911991-07-011991-10-20
19921992-08-091992-10-10
19931993-06-171993-10-27
19941994-06-091994-10-08
19951995-06-231995-10-10
19961996-04-291996-10-08
19971997-05-161997-11-04
19981998-07-151998-09-13
19991999-06-281999-10-21
20002000-05-202000-09-30
20012001-05-072001-10-25
20022002-06-052002-11-20
20032003-05-272003-10-28
20042004-04-252004-10-14
20052005-03-112005-11-18
20062006-05-142006-10-23
20072007-06-132007-10-24
20082008-05-142008-11-17
20092009-04-192009-09-27
20102010-06-122010-11-04
20112011-06-202011-10-23
20122012-04-202012-11-06
20132013-05-022013-10-06
20142014-04-302014-10-13
20152015-03-142015-10-13
20162016-04-062016-10-09
20172017-05-032017-10-27
20182018-06-022018-10-12
20192019-04-232019-10-25
20202020-05-082020-11-01
20212021-06-162021-10-16
20222022-04-072022-10-19
20232023-06-302023-10-19
20242024-06-052024-10-07
20252025-03-252025-11-10
20262026-03-172026-10-07

Every Fixed Threshold

Fixed thresholds at La Honda California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3641202016
35 C (95 F): Days291320203
40 C (104 F): Days8320201
90 F (32.2 C): Days3624202011
100 F (37.8 C): Days14620203
110 F (43.3 C): Days1120171
0 C (32 F): Frost days (min351720132
20 C (68 F): Tropical nights (min8520174

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 La Honda 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).