Santa Rosa weather in May 2025

The temperatures in Santa Rosa in May are quite cold with temperatures between 9°C and 23°C, warm clothes are a must.

The wather in Santa Rosa in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.

Our weather forecast can give you a great sense of what weather to expect in Santa Rosa in May 2025.

If you’re planning to visit Santa Rosa in the near future, we highly recommend that you review the 14 day weather forecast for Santa Rosa before you arrive.

Temperatures

23° / 9°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.0

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1 21° /6°	2 20° /6°	3 23° /7°
4 22° /8°	5 20° /7°	6 18° /7°	7 20° /5°	8 20° /6°	9 21° /7°	10 23° /7°
11 24° /8°	12 24° /7°	13 26° /8°	14 26° /9°	15 23° /8°	16 24° /9°	17 25° /9°
18 25° /7°	19 25° /8°	20 24° /7°	21 25° /8°	22 25° /8°	23 25° /8°	24 26° /8°
25 24° /9°	26 23° /8°	27 25° /8°	28 23° /8°	29 24° /7°	30 26° /8°	31 28° /10°

Explore the weather in Santa Rosa in other months

Santa Rosa annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	14° / 5°	5	26	152 mm	Good	Santa Rosa in January
February	15° / 5°	5	23	155 mm	Good	Santa Rosa in February
March	17° / 6°	7	24	133 mm	Ok	Santa Rosa in March
April	20° / 7°	3	27	44 mm	Good	Santa Rosa in April
May	23° / 9°	2	29	27 mm	Perfect	Santa Rosa in May
June	27° / 12°	1	29	9 mm	Perfect	Santa Rosa in June
July	29° / 12°	0	31	2 mm	Good	Santa Rosa in July
August	29° / 13°	0	31	2 mm	Good	Santa Rosa in August
September	29° / 13°	0	30	4 mm	Good	Santa Rosa in September
October	24° / 11°	3	28	55 mm	Perfect	Santa Rosa in October
November	18° / 8°	3	27	72 mm	Good	Santa Rosa in November
December	13° / 5°	6	25	119 mm	Ok	Santa Rosa in December