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San Diego Weather Records

San Diego, California weather data and records from 1875–2022 based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
All-Time Recorded High
The highest temperature ever recorded in San Diego, California was 111.0 °F43.9 °C which occurred on September 26, 1963.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in San Diego, California was 25.0 °F-3.9 °C which occurred on January 7, 1913.
Lowest Temperatures: All-Time By Year
San Diego Weather by Month
Averages based on the years 1991–2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
☀️ Average high (°F°C) 66.018.9 65.718.7 66.519.2 68.320.2 69.120.6 71.121.7 74.823.8 76.925.0 76.824.9 74.123.4 70.221.2 65.518.6 70.421.4
🌙 Average low (°F°C) 50.010.0 51.410.8 54.112.3 56.613.7 59.915.5 62.416.9 65.818.8 67.219.5 65.918.8 61.316.3 54.412.5 49.49.7 58.214.6
☀️ Record high (°F°C) 88.031.1 91.032.8 99.037.2 98.136.7 98.136.7 100.938.3 100.037.8 98.136.7 111.043.9 107.141.7 100.037.8 88.031.1 111.043.9
🌙 Record low (°F°C) 25.0-3.9 34.01.1 36.02.2 39.03.9 45.07.2 50.010.0 54.012.2 54.012.2 50.010.0 43.06.1 36.02.2 32.00.0 25.0-3.9
💧 Average precipitation (inchescm) 2.05.0 2.25.6 1.53.7 0.71.7 0.30.7 0.00.1 0.10.2 0.00.0 0.10.3 0.51.3 0.82.0 1.74.2 9.824.9
💧 Daily % chance precipitation 21.1 24.8 20.0 12.6 7.0 2.4 2.3 1.0 3.1 7.8 12.2 18.6 11.0
More San Diego Weather Records
1875–2022
Highest daily low 78.1 °F25.6 °C August 10, 2018
Lowest daily high 45.0 °F7.2 °C January 6, 1913
Most daily precipitation 3.2 inches8.2 cm April 5, 1926
Most monthly precipitation 9.3 inches23.5 cm December 1921
Most yearly precipitation 27.6 inches70.1 cm 1884
San Diego Weather Streaks
Most consecutive days...
With precipitation 9 days Feb 26 – Mar 6, 1983
Without precipitation 165 days May 30 – Nov 10, 1988
High temperature ≥ 80 °F27 °C 30 days Aug 23 – Sep 21, 1983
High temperature ≥ 90 °F32 °C 5 days Sep 18–22, 1939
San Diego Weather by Year
More
Weather Station Details
Years Station Coordinates
1940–2022 San Diego International Airport location
1875–1939 San Diego WBO location