Santa Rosa
May
Weather in Santa Rosa for May 2025
Your guide to Santa Rosa weather in May - trends and predictions
In general, the average temperature in Santa Rosa at the beginning of May is 18.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.7 °F by the end of May.
Precipitation in Santa Rosa during May is a rare event, with an average of fewer than 2 rainy days.
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30
Dry days
1
Rainy days
0
Snow days
22°/8°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
Santa Rosa in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  23° | 3 22° | 4  12° | |||
| 5  15° | 6 17° | 7  20° | 8 23° | 9 26° | 10 27° | 11 25° |
| 12 23° | 13 23° | 14 23° | 15 21° | 16 21° | 17 22° | 18 19° |
| 19 23° | 20 24° | 21  24° | 22 26° | 23 23° | 24 21° | 25 20° |
| 26 21° | 27 22° | 28  24° | 29 23° | 30 24° | 31 25° |
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Temperatures trend during May in Santa Rosa
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Cloudy | 22° /5° | 0 mm | 5 | |
| May 2 | Sunny | 23° /6° | 0 mm | 6 | |
| May 3 | Sunny | 22° /8° | 0 mm | 6 | |
| May 4 | Moderate rain | 12° /5° | 18.9 mm | 3 | |
| May 5 | Partly cloudy | 15° /3° | 0 mm | 5 | |
| May 6 | Sunny | 17° /2° | 0 mm | 5 | |
| May 7 | Mist | 20° /4° | 0 mm | 4 | |
| May 8 | Sunny | 23° /7° | 0 mm | 6 | |
| May 9 | Sunny | 26° /12° | 0 mm | 7 | |
| May 10 | Sunny | 27° /11° | 0 mm | 7 | |
| May 11 | Sunny | 25° /10° | 0 mm | 7 | |
| May 12 | Sunny | 23° /9° | 0 mm | 6 | |
| May 13 | Sunny | 23° /7° | 0 mm | 6 | |
| May 14 | Sunny | 23° /7° | 0 mm | 6 | |
| May 15 | Mist | 21° /8° | 0 mm | 5 | |
| May 16 | Fog | 21° /9° | 0 mm | 5 | |
| May 17 | Partly cloudy | 22° /9° | 0 mm | 6 | |
| May 18 | Mist | 19° /7° | 0 mm | 4 | |
| May 19 | Sunny | 23° /6° | 0 mm | 6 | |
| May 20 | Sunny | 24° /10° | 0 mm | 6 | |
| May 21 | Overcast | 24° /10° | 0 mm | 5 | |
| May 22 | Sunny | 26° /8° | 0 mm | 7 | |
| May 23 | Cloudy | 23° /7° | 0 mm | 6 | |
| May 24 | Partly cloudy | 21° /6° | 0 mm | 6 | |
| May 25 | Partly cloudy | 20° /7° | 0 mm | 5 | |
| May 26 | Overcast | 21° /7° | 0 mm | 6 | |
| May 27 | Cloudy | 22° /7° | 0 mm | 6 | |
| May 28 | Patchy rain possible | 24° /8° | 0.1 mm | 5 | |
| May 29 | Partly cloudy | 23° /7° | 0 mm | 6 | |
| May 30 | Partly cloudy | 24° /9° | 0 mm | 7 | |
| May 31 | Cloudy | 25° /9° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Santa Rosa in May 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.
Santa Rosa in May - FAQ
What are the expected maximum and minimum temperatures in Santa Rosa during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Rosa during May?
Expect minimal rainfall in Santa Rosa during May, with a total of 19 mm over approximately 1 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Santa Rosa during May?
The average wind speed in Santa Rosa during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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