San Diego CA Temperature Averages by Decade

Summarized here are the temperatures extending over eight decades at San Diego, California. Listed for every decade from the 1940s 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. All the temperature data were collected at San Diego's International Airport.

High Temperature for Each Decade

Average daily maximum temperature at San Diego
High °F	Decade	High °C
71.5	2010s	22.0
69.3	2000s	20.7
70.2	1990s	21.2
71.5	1980s	21.9
70.6	1970s	21.4
70.3	1960s	21.3
70.8	1950s	21.5
70.8	1940s	21.6

Low Temperature for Each Decade

Average daily minimum temperature at San Diego
Low °F	Decade	Low °C
59.1	2010s	15.0
57.8	2000s	14.4
57.6	1990s	14.2
58.8	1980s	14.9
57.8	1970s	14.3
55.9	1960s	13.3
56.0	1950s	13.3
54.7	1940s	12.6

Hot Days per Decade

Total days per year on average when the temperature in San Diego reached at least 70 or 90 °F
Decade	70 °F 21 °C	90 °F 32 °C
2010s	209	5
2000s	172	2
1990s	193	2
1980s	216	4
1970s	199	5
1960s	189	3
1950s	199	3
1940s	209	2

Cold Days per Decade

Total days per year on average when the temperature in San Diego 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

San Diego - Temperature Averages by Decade

High Temperature for Each Decade

Low Temperature for Each Decade

Hot Days per Decade

Cold Days per Decade

Reference

More on Temperatures in San Diego