Los Angeles - Temperature Averages by Decade

Summarized here are the temperatures extending over ten decades at Los Angeles, California. Listed for every decade from the 1920s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. Measurements are missing for the year 1920. All the temperature data were collected in downtown Los Angeles.

High Temperature for Each Decade

Average daily maximum temperature at Los Angeles
High °F Decade High °C
75.8 2010s 24.3
74.6 2000s 23.7
76.1 1990s 24.5
76.3 1980s 24.6
74.5 1970s 23.6
74.2 1960s 23.4
74.3 1950s 23.5
73.1 1940s 22.8
73.4 1930s 23.0
72.7 1920s 22.6

Low Temperature for Each Decade

Average daily minimum temperature at Los Angeles
Low °F Decade Low °C
57.3 2010s 14.0
56.3 2000s 13.5
58.0 1990s 14.4
58.3 1980s 14.6
56.1 1970s 13.4
56.1 1960s 13.4
55.4 1950s 13.0
54.0 1940s 12.2
55.7 1930s 13.2
54.8 1920s 12.7

Hot Days per Decade

Total days per year on average when the temperature in Los Angeles reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 271 26
2000s 249 21
1990s 270 30
1980s 273 28
1970s 247 24
1960s 241 21
1950s 244 21
1940s 233 13
1930s 243 16
1920s 229 11

Cold Days per Decade

Total days per year on average when the temperature in Los Angeles dropped to 32 °F or lower
Decade 32 °F
0 °C
2010 0
2000 0
1990 0
1980 0
1970 0
1960 0
1950 0
1940 0
1930 0
1920 0
Reference

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.

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