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Built 2026-10-19 (19 October 2026)

El Cajon Threshold Days by Year (USC00042706)

13 fixed thresholds counted per year at El Cajon (USC00042706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Cajon Thresholds

  • El Cajon: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1983 with 19.
  • El Cajon: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 2010 with 7.
  • El Cajon: nights with a minimum temperature at or above 20 C (68 F) in 29 years, most in 2015 with 52.
  • El Cajon: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 2014 with 112.
  • 13 fixed thresholds have at least one qualifying day at El Cajon.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at El Cajon Days per year at El Cajon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 2014. 0501001501980: 1071981: 911983: 911984: 841990: 881995: 811999: 902000: 862001: 992010: 592011: 702012: 922013: 672014: 1122015: 1032016: 992017: 1072018: 932019: 812020: 1072021: 912022: 932023: 662024: 902025: 722026: 98198019841999201020132016201920222025
Days per year at El Cajon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 2014.
Days at or above 30 C (86 F) per year at El Cajon
YearDaysDecade average
198010793.3
19819193.3
19839193.3
19848493.3
19908886.3
19958186.3
19999086.3
20008692.5
20019992.5
20105988.3
20117088.3
20129288.3
20136788.3
201411288.3
201510388.3
20169988.3
201710788.3
20189388.3
20198188.3
202010788.1
20219188.1
20229388.1
20236688.1
20249088.1
20257288.1
20269888.1
First to last qualifying date each year at El Cajon For each year, a bar from the first to the last day at El Cajon meeting 30 C (86 F). 1980: 26 February 1980 to 30 December 19801981: 17 February 1981 to 8 November 19811983: 11 January 1983 to 4 November 19831984: 19 March 1984 to 13 October 19841990: 20 March 1990 to 14 November 19901995: 3 February 1995 to 1 December 19951999: 15 April 1999 to 30 November 19992000: 13 January 2000 to 20 November 20002001: 2 February 2001 to 8 November 20012010: 29 March 2010 to 13 December 20102011: 17 January 2011 to 27 November 20112012: 1 January 2012 to 24 November 20122013: 16 February 2013 to 14 November 20132014: 15 January 2014 to 27 November 20142015: 5 January 2015 to 22 November 20152016: 7 February 2016 to 15 November 20162017: 9 March 2017 to 28 December 20172018: 13 January 2018 to 3 November 20182019: 1 April 2019 to 18 November 20192020: 1 February 2020 to 17 November 20202021: 14 January 2021 to 28 November 20212022: 9 February 2022 to 25 December 20222023: 21 April 2023 to 5 November 20232024: 15 June 2024 to 27 October 20242025: 27 February 2025 to 10 December 20252026: 30 January 2026 to 4 October 20261980199020012013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at El Cajon meeting 30 C (86 F).
First to last qualifying date each year at El Cajon
YearFirst dateLast date
19801980-02-261980-12-30
19811981-02-171981-11-08
19831983-01-111983-11-04
19841984-03-191984-10-13
19901990-03-201990-11-14
19951995-02-031995-12-01
19991999-04-151999-11-30
20002000-01-132000-11-20
20012001-02-022001-11-08
20102010-03-292010-12-13
20112011-01-172011-11-27
20122012-01-012012-11-24
20132013-02-162013-11-14
20142014-01-152014-11-27
20152015-01-052015-11-22
20162016-02-072016-11-15
20172017-03-092017-12-28
20182018-01-132018-11-03
20192019-04-012019-11-18
20202020-02-012020-11-17
20212021-01-142021-11-28
20222022-02-092022-12-25
20232023-04-212023-11-05
20242024-06-152024-10-27
20252025-02-272025-12-10
20262026-01-302026-10-04

Every Fixed Threshold

Fixed thresholds at El Cajon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days26112201498
35 C (95 F): Days2640202021
40 C (104 F): Days18420162
45 C (113 F): Days1120201
90 F (32.2 C): Days2673202052
100 F (37.8 C): Days251420208
110 F (43.3 C): Days2120181
0 C (32 F): Frost days (min23919903
20 C (68 F): Tropical nights (min2952201548
25 C (77 F): Days with min8219842
10 mm (0.39 in): Days with 10 mm or more rain381919835
25 mm (0.98 in): Days with 25 mm or more rain33720102
50 mm (1.97 in): Days with 50 mm or more rain9319801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for El Cajon 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).