Los Angeles CA Coldest Decades

Los Angeles - Coldest Decades

The coldest decades on record are ranked here for Los Angeles, California. The lists include decades when Los Angeles had the lowest average temperatures and the fewest hot days. These extremes are for temperatures observed in downtown Los Angeles and cover ten decades, from the 1920s to the 2010s.

That is when Los Angeles had weather measurements that are consistent and complete enough to compare decades. Each decade comprises a standard 10-year range. For instance, the 1990s includes measurements from Jan 1, 1990 to Dec 31, 1999. Links to the data behind these lists are in the References section on this page.

Coolest High Temperatures

Average daily maximum temperature at Los Angeles
	High °F	Decade	High °C
Lowest	72.7	1920s	22.6
Runner-up	73.1	1940s	22.8

Coldest Low Temperatures

Average daily minimum temperature at Los Angeles
	Low °F	Decade	Low °C
Lowest	54.0	1940s	12.2
Runner-up	54.8	1920s	12.7

Fewest Warm Days

Total days per year on average when Los Angeles had temperatures of at least 70 °F (21 °C)
	Days	Decade
Lowest	229	1920s
Runner-up	233	1940s

Fewest Hot Days

Total days per year on average when Los Angeles had temperatures of at least 90 °F (32 °C)
	Days	Decade
Lowest	11	1920s
Runner-up	13	1940s

References

Current Results. 2020. Los Angeles CA Temperature Averages by Decade

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.