Sonoma County (Santa Rosa)
March
Weather in Sonoma County for March 2025
Your guide to Sonoma County weather in March - trends and predictions
In general, the average temperature in Sonoma County at the beginning of March is 10.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.9 °F by the end of March.
Expect significant rainfall in Sonoma County during March, with an average of 17 rainy days.
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14
Dry days
17
Rainy days
0
Snow days
14°/5°
Temperatures
15 km/h
Avg max wind
81 %
Avg humidity
Sonoma County in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2 8° | |||||
| 3 9° | 4 10° | 5 12° | 6 14° | 7  14° | 8  15° | 9 12° |
| 10  10° | 11 12° | 12  14° | 13 16° | 14 17° | 15 20° | 16 19° |
| 17 19° | 18 20° | 19 18° | 20  16° | 21  17° | 22 13° | 23 11° |
| 24 15° | 25  15° | 26 16° | 27 12° | 28 12° | 29 8° | 30 13° |
| 31 14° |
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Temperatures trend during March in Sonoma 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 | 9° /6° | 15.8 mm | 2 | |
| Mar. 2 | Light rain shower | 8° /5° | 14.5 mm | 2 | |
| Mar. 3 | Light rain shower | 9° /2° | 4.1 mm | 2 | |
| Mar. 4 | Light rain shower | 10° /2° | 4.2 mm | 2 | |
| Mar. 5 | Light rain shower | 12° /6° | 1.1 mm | 3 | |
| Mar. 6 | Light rain shower | 14° /6° | 2 mm | 3 | |
| Mar. 7 | Mist | 14° /4° | 0 mm | 3 | |
| Mar. 8 | Sunny | 15° /3° | 0 mm | 5 | |
| Mar. 9 | Patchy rain possible | 12° /4° | 0.3 mm | 3 | |
| Mar. 10 | Heavy rain | 10° /4° | 15.4 mm | 3 | |
| Mar. 11 | Patchy rain possible | 12° /2° | 0.5 mm | 3 | |
| Mar. 12 | Light drizzle | 14° /5° | 4.1 mm | 3 | |
| Mar. 13 | Sunny | 16° /3° | 0 mm | 5 | |
| Mar. 14 | Sunny | 17° /5° | 0 mm | 5 | |
| Mar. 15 | Sunny | 20° /8° | 0 mm | 6 | |
| Mar. 16 | Sunny | 19° /6° | 0 mm | 5 | |
| Mar. 17 | Sunny | 19° /5° | 0 mm | 5 | |
| Mar. 18 | Sunny | 20° /7° | 0 mm | 6 | |
| Mar. 19 | Sunny | 18° /7° | 0 mm | 5 | |
| Mar. 20 | Overcast | 16° /5° | 0 mm | 4 | |
| Mar. 21 | Cloudy | 17° /5° | 0 mm | 4 | |
| Mar. 22 | Light rain shower | 13° /7° | 12.7 mm | 3 | |
| Mar. 23 | Light rain shower | 11° /5° | 12.2 mm | 3 | |
| Mar. 24 | Light rain shower | 15° /5° | 1.3 mm | 4 | |
| Mar. 25 | Partly cloudy | 15° /4° | 0 mm | 5 | |
| Mar. 26 | Mist | 16° /3° | 0 mm | 4 | |
| Mar. 27 | Light rain shower | 12° /4° | 7.2 mm | 3 | |
| Mar. 28 | Light rain shower | 12° /4° | 1.5 mm | 3 | |
| Mar. 29 | Light rain shower | 8° /5° | 21.2 mm | 2 | |
| Mar. 30 | Patchy light drizzle | 13° /5° | 4 mm | 3 | |
| Mar. 31 | Patchy rain possible | 14° /5° | 0.2 mm | 3 | |
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Important Notice
Our weather forecast for Sonoma 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 Sonoma County forecast closer to your planned date for the most up-to-date weather information.
Sonoma County in March - FAQ
What are the expected maximum and minimum temperatures in Sonoma County during March?
During March, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sonoma County during March?
Significant rainfall exceeding 122.3 mm is expected in Sonoma County during March, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sonoma County during March?
The average wind speed in Sonoma County during March is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in Sonoma County
Explore the daily rainfall trends and prepare for Sonoma Countys March weather 💧
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