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Built 2026-10-19 (19 October 2026)

Days at or above 110 F (43.3 C) in Los Angeles

Los Angeles has had days with a maximum temperature at or above 110 F (43.3 C) in 6 years, most in 1955 with 1. Days per year, season span, streaks and every date.

Key Facts for Los Angeles

  • Los Angeles has had days with a maximum temperature at or above 110 F (43.3 C) in 6 years, 6 days in all.
  • The most in one year was 1 days in 1955.
  • In 2024, the latest year on file, there were 1 such days.
  • The earliest first date in a year was 26 June 1990.
  • The latest last date in a year was 27 September 2010.
  • 5 years with under 90 percent of days observed are left out of these rankings.

Days per Year

6 years, 6 days
Days at or above 110 F (43.3 C) per year in Los Angeles Days per year in Los Angeles with a maximum temperature at or above 110 F (43.3 C). The line is the decade average. The most was 1 in 1955. Grey bars are years with under 90 percent of days observed, left out of rankings. 001111955: 11988: 11990: 12010: 12020: 12024: 11955
Days per year in Los Angeles with a maximum temperature at or above 110 F (43.3 C). The line is the decade average. The most was 1 in 1955. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days at or above 110 F (43.3 C) per year in Los Angeles
YearDaysDecade average
195511
198811
199011
201011
202011
202411

Season Span

earliest 26 June, latest 27 September
First to last qualifying date each year in Los Angeles For each year, a bar from the first to the last day in Los Angeles meeting 110 F (43.3 C). Long bars mean a long season. 1955: 1 September 1955 to 1 September 19551988: 4 September 1988 to 4 September 19881990: 26 June 1990 to 26 June 19902010: 27 September 2010 to 27 September 20102020: 6 September 2020 to 6 September 20202024: 6 September 2024 to 6 September 2024195519881990201020202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Los Angeles meeting 110 F (43.3 C). Long bars mean a long season.
First to last qualifying date each year in Los Angeles
YearFirst dateLast date
19551955-09-011955-09-01
19881988-09-041988-09-04
19901990-06-261990-06-26
20102010-09-272010-09-27
20202020-09-062020-09-06
20242024-09-062024-09-06

Every Year

Days at or above 110 F (43.3 C) per year in Los Angeles
YearDaysFirst dateLast dateLongest streak in yearCoverage
202416 September 20246 September 20241 daysComplete
202016 September 20206 September 20201 daysComplete
2010127 September 201027 September 20101 daysComplete
1990126 June 199026 June 19901 daysComplete
198814 September 19884 September 19881 daysComplete
195511 September 19551 September 19551 daysComplete
Decade averages for Days at or above 110 F (43.3 C) in Los Angeles
DecadeAverage days per yearYears counted
1950s1.01
1980s1.01
1990s1.01
2010s1.01
2020s1.02

Compare with your own threshold in the threshold explorer. Fahrenheit thresholds are converted to tenths of a degree Celsius once, rounding half up.

Download the Data

  • Data for Days at or above 110 F (43.3 C) in Los Angeles, 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 from the threaded city record.

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