San Diego March Weather

Averages and records for weather in San Diego, California in the month of March.
Typical San Diego March Weather
1991–2020
Average daily high 66.5 °F
Average daily low 54.1 °F
Average monthly precipitation 1.5 inches
Daily chance of precipitation 20.0%
San Diego March Weather Records
1850–2024
Highest temperature 99 °F March 29, 1879
Lowest temperature 36 °F March 5, 1894
Highest daily low 68 °F March 15, 2015
Lowest daily high 51 °F March 3, 1894
Hottest average high temperature 74.2 °F 2015
Coldest average high temperature 60.1 °F 1880
Most daily precipitation 2.4 inches March 24, 1906
Most monthly precipitation 7.0 inches 1991
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
March 1 65.9 52.7 82 41
March 2 65.9 52.8 85 39
March 3 65.9 52.9 79 38
March 4 65.9 53.0 85 39
March 5 66.0 53.0 86 36
March 6 66.1 53.1 84 38
March 7 66.1 53.2 88 41
March 8 66.1 53.3 85 39
March 9 66.2 53.4 85 40
March 10 66.2 53.6 85 40
March 11 66.2 53.7 88 40
March 12 66.2 53.8 86 38
March 13 66.3 53.9 89 40
March 14 66.4 54.0 90 38
March 15 66.4 54.1 89 39
March 16 66.5 54.2 91 38
March 17 66.6 54.3 93 40
March 18 66.5 54.4 82 41
March 19 66.6 54.4 86 39
March 20 66.6 54.5 88 42
March 21 66.6 54.6 90 37
March 22 66.7 54.7 82 38
March 23 66.7 54.8 88 40
March 24 66.7 54.9 85 43
March 25 66.7 55.0 89 41
March 26 66.7 55.1 93 41
March 27 66.8 55.1 82 41
March 28 66.8 55.1 95 41
March 29 66.9 55.2 99 43
March 30 66.9 55.3 82 39
March 31 66.9 55.3 88 38
Weather Station Details
Years Station Coordinates
1940–2024 San Diego International Airport location
1850–1939 San Diego WBO location