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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Joshua Tree Threshold Days by Year (USC00044405)

13 fixed thresholds counted per year at Joshua Tree (USC00044405): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Joshua Tree Thresholds

  • Joshua Tree: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 2019 with 9.
  • Joshua Tree: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 2020 with 177.
  • Joshua Tree: days with a maximum temperature at or above 35 C (95 F) in 17 years, most in 2020 with 128.
  • Joshua Tree: days with a maximum temperature at or above 40 C (104 F) in 17 years, most in 2024 with 54.
  • 13 fixed thresholds have at least one qualifying day at Joshua Tree.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Joshua Tree Days per year at Joshua Tree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 177 in 2020. 0501001502002009: 1462010: 1392011: 1522012: 1702013: 1552014: 1532015: 1462016: 1402017: 1572018: 1612019: 1482020: 1772021: 1522023: 1562024: 1622025: 1572026: 168200920112013201520172019202120242026
Days per year at Joshua Tree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 177 in 2020.
Days at or above 30 C (86 F) per year at Joshua Tree
YearDaysDecade average
2009146146
2010139152.1
2011152152.1
2012170152.1
2013155152.1
2014153152.1
2015146152.1
2016140152.1
2017157152.1
2018161152.1
2019148152.1
2020177162
2021152162
2023156162
2024162162
2025157162
2026168162
First to last qualifying date each year at Joshua Tree For each year, a bar from the first to the last day at Joshua Tree meeting 30 C (86 F). 2009: 21 April 2009 to 25 October 20092010: 27 April 2010 to 17 October 20102011: 31 March 2011 to 2 November 20112012: 18 April 2012 to 7 November 20122013: 15 March 2013 to 27 October 20132014: 15 February 2014 to 25 October 20142015: 28 March 2015 to 3 November 20152016: 7 April 2016 to 23 October 20162017: 14 March 2017 to 25 November 20172018: 31 March 2018 to 28 October 20182019: 9 April 2019 to 27 October 20192020: 24 April 2020 to 5 November 20202021: 3 April 2021 to 5 October 20212023: 11 April 2023 to 23 October 20232024: 12 April 2024 to 28 October 20242025: 25 March 2025 to 2 November 20252026: 26 February 2026 to 11 October 2026200920122015201820212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Joshua Tree meeting 30 C (86 F).
First to last qualifying date each year at Joshua Tree
YearFirst dateLast date
20092009-04-212009-10-25
20102010-04-272010-10-17
20112011-03-312011-11-02
20122012-04-182012-11-07
20132013-03-152013-10-27
20142014-02-152014-10-25
20152015-03-282015-11-03
20162016-04-072016-10-23
20172017-03-142017-11-25
20182018-03-312018-10-28
20192019-04-092019-10-27
20202020-04-242020-11-05
20212021-04-032021-10-05
20232023-04-112023-10-23
20242024-04-122024-10-28
20252025-03-252025-11-02
20262026-02-262026-10-11

Every Fixed Threshold

Fixed thresholds at Joshua Tree
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days171772020168
35 C (95 F): Days171282020101
40 C (104 F): Days1754202440
45 C (113 F): Days7520245
90 F (32.2 C): Days171542020151
100 F (37.8 C): Days1797202466
110 F (43.3 C): Days121220204
0 C (32 F): Frost days (min174020213
20 C (68 F): Tropical nights (min1783202182
25 C (77 F): Days with min1731202428
10 mm (0.39 in): Days with 10 mm or more rain31920194
25 mm (0.98 in): Days with 25 mm or more rain16219632
10 cm (3.9 in): Days with 10 cm or more snowfall3119601

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 Joshua Tree 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).