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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, ensuring that most days remain pleasantly dry.

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Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
71 %
Avg humidity

San Diego County in March average weather

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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
Light rain shower
13° /11° 2.9 mm 4
Mar. 2 Sunny
Sunny
16° /10° 1.2 mm 5
Mar. 3 Sunny
Sunny
16° /10° 1.4 mm 5
Mar. 4 Partly cloudy
Partly cloudy
15° /11° 0.1 mm 5
Mar. 5 Overcast
Overcast
15° /10° 0.1 mm 4
Mar. 6 Overcast
Overcast
15° /11° 5.4 mm 4
Mar. 7 Overcast
Overcast
15° /10° 2.4 mm 4
Mar. 8 Overcast
Overcast
15° /10° 0 mm 4
Mar. 9 Cloudy
Cloudy
17° /10° 0 mm 4
Mar. 10 Overcast
Overcast
18° /11° 0 mm 5
Mar. 11 Mist
Mist
15° /12° 0.7 mm 4
Mar. 12 Fog
Fog
17° /13° 0.3 mm 4
Mar. 13 Overcast
Overcast
19° /12° 0.2 mm 5
Mar. 14 Overcast
Overcast
18° /12° 0.5 mm 4
Mar. 15 Light rain shower
Light rain shower
15° /12° 15 mm 4
Mar. 16 Overcast
Overcast
16° /11° 0.3 mm 4
Mar. 17 Mist
Mist
17° /10° 0.1 mm 4
Mar. 18 Mist
Mist
19° /10° 0.1 mm 4
Mar. 19 Fog
Fog
18° /13° 0 mm 5
Mar. 20 Patchy rain possible
Patchy rain possible
17° /12° 1.6 mm 5
Mar. 21 Light rain shower
Light rain shower
17° /11° 6.5 mm 5
Mar. 22 Light rain shower
Light rain shower
16° /11° 8.1 mm 4
Mar. 23 Light rain shower
Light rain shower
15° /11° 4.9 mm 4
Mar. 24 Partly cloudy
Partly cloudy
16° /10° 7.7 mm 4
Mar. 25 Overcast
Overcast
17° /10° 0.1 mm 4
Mar. 26 Partly cloudy
Partly cloudy
16° /9° 0.3 mm 5
Mar. 27 Sunny
Sunny
19° /8° 0 mm 5
Mar. 28 Partly cloudy
Partly cloudy
17° /9° 0.1 mm 5
Mar. 29 Light drizzle
Light drizzle
14° /10° 0.9 mm 4
Mar. 30 Light rain shower
Light rain shower
15° /10° 15 mm 4
Mar. 31 Overcast
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.
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Location coordinates Where is San Diego County?

Get accurate weather forecasts for San Diego County, located at latitude 32.716 and longitude -117.165. Stay updated with localized weather information tailored for San Diego County.

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