San Diego County (San Diego)
March
Weather in San Diego County for March 2025
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 15 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.1 °F by the end of March.
With an average of 5 rainy days, San Diego County experiences minimal rainfall in March.
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26
Dry days
5
Rainy days
0
Snow days
17°/9°
Temperatures
20 km/h
Avg max wind
71 %
Avg humidity
San Diego County in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  16° | |||||
| 3 16° | 4  15° | 5  15° | 6 15° | 7 15° | 8 15° | 9  17° |
| 10 18° | 11  15° | 12 17° | 13 19° | 14 18° | 15 15° | 16 16° |
| 17 17° | 18 19° | 19 18° | 20 17° | 21 17° | 22 16° | 23 15° |
| 24 16° | 25 17° | 26 16° | 27 19° | 28 17° | 29  14° | 30 15° |
| 31 15° |
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Temperatures trend during March in San Diego County
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 | Light rain shower | 13° /11° | 2.9 mm | 4 | |
| Mar. 2 | Sunny | 16° /10° | 1.2 mm | 5 | |
| Mar. 3 | Sunny | 16° /10° | 1.4 mm | 5 | |
| Mar. 4 | Partly cloudy | 15° /11° | 0.1 mm | 5 | |
| Mar. 5 | Overcast | 15° /10° | 0.1 mm | 4 | |
| Mar. 6 | Overcast | 15° /11° | 5.4 mm | 4 | |
| Mar. 7 | Overcast | 15° /10° | 2.4 mm | 4 | |
| Mar. 8 | Overcast | 15° /10° | 0 mm | 4 | |
| Mar. 9 | Cloudy | 17° /10° | 0 mm | 4 | |
| Mar. 10 | Overcast | 18° /11° | 0 mm | 5 | |
| Mar. 11 | Mist | 15° /12° | 0.7 mm | 4 | |
| Mar. 12 | Fog | 17° /13° | 0.3 mm | 4 | |
| Mar. 13 | Overcast | 19° /12° | 0.2 mm | 5 | |
| Mar. 14 | Overcast | 18° /12° | 0.5 mm | 4 | |
| Mar. 15 | Light rain shower | 15° /12° | 15 mm | 4 | |
| Mar. 16 | Overcast | 16° /11° | 0.3 mm | 4 | |
| Mar. 17 | Mist | 17° /10° | 0.1 mm | 4 | |
| Mar. 18 | Mist | 19° /10° | 0.1 mm | 4 | |
| Mar. 19 | Fog | 18° /13° | 0 mm | 5 | |
| Mar. 20 | Patchy rain possible | 17° /12° | 1.6 mm | 5 | |
| Mar. 21 | Light rain shower | 17° /11° | 6.5 mm | 5 | |
| Mar. 22 | Light rain shower | 16° /11° | 8.1 mm | 4 | |
| Mar. 23 | Light rain shower | 15° /11° | 4.9 mm | 4 | |
| Mar. 24 | Partly cloudy | 16° /10° | 7.7 mm | 4 | |
| Mar. 25 | Overcast | 17° /10° | 0.1 mm | 4 | |
| Mar. 26 | Partly cloudy | 16° /9° | 0.3 mm | 5 | |
| Mar. 27 | Sunny | 19° /8° | 0 mm | 5 | |
| Mar. 28 | Partly cloudy | 17° /9° | 0.1 mm | 5 | |
| Mar. 29 | Light drizzle | 14° /10° | 0.9 mm | 4 | |
| Mar. 30 | Light rain shower | 15° /10° | 15 mm | 4 | |
| Mar. 31 | Overcast | 15° /9° | 7.9 mm | 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.
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 17° and cooler nights around 9°. 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 167.6 mm is expected in San Diego County during March, occurring over more than 5 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 20 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in San Diego County
Explore the daily rainfall trends and prepare for San Diego Countys March weather 💧
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