Historical Weather in San Diego, CA
See 55+ years of weather history for any date in San Diego going back to 1970.
Part of California weather history
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Today in San Diego Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for San Diego, CA, based on 55+ years of weather data.
Warmest MonthSeptemberAvg High: 76°F / Low: 66°F
Coldest MonthDecemberAvg High: 65°F / Low: 49°F
Jan
65°/ 49°
💧 7.0"
Feb
65°/ 50°
💧 7.3"
Mar
66°/ 53°
💧 6.5"
Apr
68°/ 56°
💧 4.3"
May
69°/ 59°
💧 2.6"
Jun
71°/ 62°
💧 1.4"
Jul
75°/ 66°
💧 3.1"
Aug
76°/ 67°
💧 5.2"
Sep
76°/ 66°
💧 3.4"
Oct
73°/ 61°
💧 4.5"
Nov
69°/ 54°
💧 5.6"
Dec
65°/ 49°
💧 6.2"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
San Diego Temperature Records
- Record High: The hottest temperature ever recorded in San Diego, CA is 108°F, set on September 4, 1988.
- Record Low: The coldest temperature ever recorded in San Diego, CA is 28°F, set on December 25, 1987.
- Data Coverage: Based on 57 years of data from NOAA weather station: SAN DIEGO INTL AP.
All-Time Record High
108°F
September 4, 1988
All-Time Record Low
28°F
December 25, 1987
Monthly Temperature Records in San Diego
| Month | Record High | Record Low |
|---|---|---|
| January | 90°F(2003) | 29°F(1971) |
| February | 93°F(2022) | 29°F(1990) |
| March | 95°F(1988) | 32°F(1971) |
| April | 102°F(1989) | 37°F(2003) |
| May | 102°F(2004) | 43°F(1975) |
| June | 101°F(1979) | 43°F(1984) |
| July | 106°F(2006) | 53°F(1984) |
| August | 105°F(2009) | 55°F(1975) |
| September | 108°F(1988) | 43°F(1999) |
| October | 106°F(1987) | 36°F(1971) |
| November | 100°F(2010) | 34°F(2004) |
| December | 88°F(2013) | 28°F(1987) |
San Diego Snow RecordsSee the top 10 snowiest days ever recorded
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