San Diego County (San Diego)
March
Weather in San Diego County, California for March 2027
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 15.2 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.1 °C by the end of March.
San Diego County experiences moderate rainfall in March, with an average of 6 rainy days and a total precipitation of 94.2 mm.
Is March a good time to visit San Diego County? check out the best time to travel to San Diego County page.
✨ Is March a good time to visit San Diego County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
17°/11°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
San Diego County Weather March
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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 in San Diego County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 |  Light rain shower | 15° /11° | 1.4 mm | 3 | |
| Mar. 2 | Patchy rain possible | 15° /11° | 1.5 mm | 3 | |
| Mar. 3 |  Sunny | 15° /11° | 0.7 mm | 4 | |
| Mar. 4 |  Partly cloudy | 15° /12° | 0.1 mm | 4 | |
| Mar. 5 |  Light rain | 15° /11° | 5.7 mm | 4 | |
| Mar. 6 | Light rain | 16° /10° | 6.9 mm | 4 | |
| Mar. 7 |  Moderate rain | 16° /9° | 19.2 mm | 4 | |
| Mar. 8 | Partly cloudy | 18° /10° | 0 mm | 5 | |
| Mar. 9 | Partly cloudy | 17° /10° | 0 mm | 5 | |
| Mar. 10 | Partly cloudy | 17° /11° | 0 mm | 5 | |
| Mar. 11 | Light rain | 15° /11° | 6.5 mm | 4 | |
| Mar. 12 |  Fog | 18° /12° | 0.1 mm | 4 | |
| Mar. 13 | Moderate rain | 18° /12° | 14.5 mm | 5 | |
| Mar. 14 | Light rain | 16° /12° | 3.3 mm | 4 | |
| Mar. 15 | Light rain | 16° /12° | 7.5 mm | 4 | |
| Mar. 16 |  Overcast | 19° /11° | 0.2 mm | 4 | |
| Mar. 17 | Mist | 18° /12° | 0.1 mm | 4 | |
| Mar. 18 | Mist | 18° /12° | 0.1 mm | 4 | |
| Mar. 19 | Fog | 20° /12° | 0 mm | 5 | |
| Mar. 20 | Partly cloudy | 19° /13° | 0.8 mm | 5 | |
| Mar. 21 | Light rain | 18° /12° | 3.2 mm | 5 | |
| Mar. 22 | Light rain | 17° /12° | 4 mm | 4 | |
| Mar. 23 | Light rain | 17° /12° | 2.5 mm | 4 | |
| Mar. 24 | Light rain | 18° /12° | 3.9 mm | 4 | |
| Mar. 25 | Overcast | 18° /12° | 0.1 mm | 4 | |
| Mar. 26 | Partly cloudy | 17° /12° | 0.1 mm | 5 | |
| Mar. 27 |  Cloudy | 19° /11° | 0 mm | 5 | |
| Mar. 28 | Partly cloudy | 18° /11° | 0 mm | 5 | |
| Mar. 29 | Light drizzle | 16° /12° | 0.4 mm | 4 | |
| Mar. 30 | Light rain | 15° /12° | 7.5 mm | 4 | |
| Mar. 31 | Light rain | 16° /11° | 4 mm | 3 | |
| Next | |||||
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.
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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 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Diego County during March?
Moderate rainfall is anticipated in San Diego County during March, with a total of 94.2 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in San Diego County during March?
The average wind speed in San Diego County during March is 19 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 💧
Typically, San Diego County has 6 rainy days in March with a total of 94.2 mm of rainfall.
UV exposure in San Diego County during March
Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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