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Santa Rosa (CA)
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United States weather

Weather in Santa Rosa, California for March 2026

Your guide to Santa Rosa weather in March - trends and predictions

    Temperatures

  • Until now, March 2026 in Santa Rosa has been significantly warmer than historical averages.

  • Expect cooler weather in the next days in Santa Rosa with the forecast suggesting a temperature of 22.8 °F, lower than the historical average.

  • In general, the average temperature in Santa Rosa at the beginning of March is 12.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.3 °F by the end of March.

    • Rain 🌧️

  • Santa Rosa experiences heavy rainfall in March, with over 20 rainy days and an average total precipitation 217.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/5°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Santa Rosa Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
11°
2
Light rain shower
12°
3
Light rain shower
11°
4
Light rain shower
12°
5
Light rain shower
14°
6
Light rain shower
13°
7
Mist
14°
8
Sunny
14°
9
Mist
15°
10
Heavy rain
15°
11
Patchy rain possible
15°
12
Light drizzle
16°
13
Sunny
15°
14
Sunny
16°
15
Sunny
18°
16
Sunny
19°
17
Sunny
20°
18
Sunny
21°
19
Sunny
19°
20
Overcast
20°
21
Sunny
33°
22
Partly cloudy
23°
23
Partly cloudy
23°
24
Sunny
25°
25
Sunny
25°
26
Partly cloudy
26°
27
Partly cloudy
27°
28
Partly cloudy
28°
29
Sunny
24°
30
Patchy rain possible
19°
31
Patchy rain possible
14°

Temperatures trend during March in Santa Rosa

See the weather trend as well as the moving average line

March weather in Santa Rosa day by day

Click on a date for more information
February April
Date Weather Temperatures Rain UV More
Mar. 1 Fog
Fog
 11° /7° 5.9 mm 2
Mar. 2 Light rain shower
Light rain shower
 12° /7° 4.8 mm 2
Mar. 3 Light rain shower
Light rain shower
 11° /5° 1.4 mm 2
Mar. 4 Light rain shower
Light rain shower
 12° /5° 1.4 mm 2
Mar. 5 Light rain shower
Light rain shower
 14° /5° 1.5 mm 3
Mar. 6 Light rain shower
Light rain shower
 13° /6° 1 mm 3
Mar. 7 Mist
Mist
 14° /2° 0 mm 3
Mar. 8 Sunny
Sunny
 14° /3° 0 mm 4
Mar. 9 Mist
Mist
 15° /5° 0.1 mm 3
Mar. 10 Heavy rain
Heavy rain
 15° /3° 5.1 mm 3
Mar. 11 Patchy rain possible
Patchy rain possible
 15° /3° 0.2 mm 3
Mar. 12 Light drizzle
Light drizzle
 16° /6° 20.8 mm 3
Mar. 13 Sunny
Sunny
 15° /5° 4.8 mm 3
Mar. 14 Sunny
Sunny
 16° /6° 15.7 mm 4
Mar. 15 Sunny
Sunny
 18° /6° 0 mm 4
Mar. 16 Sunny
Sunny
 19° /7° 17.5 mm 4
Mar. 17 Sunny
Sunny
 20° /6° 5.8 mm 4
Mar. 18 Sunny
Sunny
 21° /6° 0 mm 4
Mar. 19 Sunny
Sunny
 19° /4° 1.9 mm 4
Mar. 20 Overcast
Overcast
 20° /6° 0 mm 4
Mar. 21 Sunny
Sunny
 33° /13° 0 mm 1.4
Mar. 22 Partly cloudy
Partly cloudy
 23° /10° 0 mm 1.5
Mar. 23 Partly cloudy
Partly cloudy
 23° /9° 0 mm 1.7
Mar. 24 Sunny
Sunny
 25° /11° 0 mm 1.7
Mar. 25 Sunny
Sunny
 25° /9° 0 mm 0
Mar. 26 Partly cloudy
Partly cloudy
 26° /6° 0 mm 4
Mar. 27 Partly cloudy
Partly cloudy
 27° /10° 0 mm 5
Mar. 28 Partly cloudy
Partly cloudy
 28° /12° 0 mm 5
Mar. 29 Sunny
Sunny
 24° /10° 0 mm 5
Mar. 30 Patchy rain possible
Patchy rain possible
 19° /4° 0.2 mm 3
Mar. 31 Patchy rain possible
Patchy rain possible
 14° /4° 4.6 mm 2
Next
Important Notice
Our weather forecast for Santa Rosa 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 Santa Rosa forecast closer to your planned date for the most up-to-date weather information.
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Santa Rosa in March - FAQ

What are the expected maximum and minimum temperatures in Santa Rosa during March?

During March, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Santa Rosa during March?

Significant rainfall exceeding 217.2 mm is expected in Santa Rosa during March, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Santa Rosa during March?

The average wind speed in Santa Rosa during March is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

March rainfall patterns in Santa Rosa

Explore the daily rainfall trends and prepare for Santa Rosas March weather 💧
Typically, Santa Rosa has 21 rainy days in March with a total of 217.2 mm of rainfall.

UV exposure in Santa Rosa during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️

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Get accurate weather forecasts for Santa Rosa, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Santa Rosa.

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