San Diego County (San Diego)
March
Weather in San Diego County for March 2026
Your guide to San Diego County weather in March - trends and predictions
In general, the average temperature in San Diego County at the beginning of March is 57 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 60 °F by the end of March.
The climate of San Diego County in March is notably wet, with an average of 13 rainy days, and a total of 4.63 in of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
60°/51°
Temperatures
12.4 mph
Avg max wind
71 %
Avg humidity
San Diego County Weather March
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Temperatures trend during March in San Diego County
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March weather in San Diego County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 |  Light rain shower | 55° /50° | 0.07 in | 3 | |
| Mar. 2 |  Sunny | 59° /50° | 0.08 in | 4 | |
| Mar. 3 | Sunny | 59° /50° | 0.04 in | 4 | |
| Mar. 4 |  Partly cloudy | 59° /51° | 0 in | 4 | |
| Mar. 5 |  Overcast | 57° /50° | 0.3 in | 3 | |
| Mar. 6 | Overcast | 57° /51° | 0.37 in | 3 | |
| Mar. 7 | Overcast | 57° /48° | 1.01 in | 4 | |
| Mar. 8 | Overcast | 59° /48° | 0 in | 4 | |
| Mar. 9 |  Cloudy | 62° /48° | 0 in | 4 | |
| Mar. 10 | Partly cloudy | 62° /50° | 0 in | 5 | |
| Mar. 11 |  Mist | 57° /51° | 0.34 in | 4 | |
| Mar. 12 | Fog | 60° /53° | 0.01 in | 4 | |
| Mar. 13 | Overcast | 60° /51° | 0.76 in | 4 | |
| Mar. 14 | Overcast | 60° /51° | 0.17 in | 4 | |
| Mar. 15 | Light rain shower | 59° /51° | 0.39 in | 3 | |
| Mar. 16 | Overcast | 59° /50° | 0.01 in | 3 | |
| Mar. 17 | Mist | 60° /50° | 0 in | 4 | |
| Mar. 18 | Mist | 62° /50° | 0 in | 4 | |
| Mar. 19 | Fog | 66° /51° | 0 in | 5 | |
| Mar. 20 | Patchy rain possible | 62° /51° | 0.04 in | 5 | |
| Mar. 21 | Light rain shower | 62° /50° | 0.17 in | 4 | |
| Mar. 22 | Light rain shower | 60° /51° | 0.21 in | 4 | |
| Mar. 23 | Light rain shower | 59° /51° | 0.13 in | 4 | |
| Mar. 24 | Partly cloudy | 62° /51° | 0.2 in | 4 | |
| Mar. 25 | Overcast | 62° /50° | 0 in | 4 | |
| Mar. 26 | Partly cloudy | 60° /50° | 0.01 in | 4 | |
| Mar. 27 | Sunny | 64° /48° | 0 in | 5 | |
| Mar. 28 | Partly cloudy | 62° /50° | 0 in | 5 | |
| Mar. 29 |  Light drizzle | 57° /50° | 0.02 in | 4 | |
| Mar. 30 | Light rain shower | 57° /50° | 0.39 in | 3 | |
| Mar. 31 | Overcast | 59° /50° | 0.21 in | 4 | |
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Important Notice
Our weather forecast for San Diego County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Diego County forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Diego County in March - FAQ
What are the expected maximum and minimum temperatures in San Diego County during March?
Enjoy moderate daytime temperatures of up to 60° and cooler nights around 51°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Diego County during March?
Significant rainfall exceeding 4.63 in is expected in San Diego County during March, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Diego County during March?
The average wind speed in San Diego County during March is 12.4 mph, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in San Diego County
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