Simi Valley weather in May 2025

The temperatures in Simi Valley in May are comfortable with low of 14°C and and high up to 21°C.

The wather in Simi Valley 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 Simi Valley in May 2025.

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

Temperatures

21° / 14°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

10.8

Hrs

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

Explore the weather in Simi Valley in other months

Simi Valley annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	16° / 8°	3	28	81 mm	Good	Simi Valley in January
February	16° / 8°	3	26	69 mm	Good	Simi Valley in February
March	17° / 9°	2	29	52 mm	Good	Simi Valley in March
April	19° / 11°	1	29	24 mm	Good	Simi Valley in April
May	21° / 14°	1	30	14 mm	Good	Simi Valley in May
June	24° / 17°	0	30	4 mm	Perfect	Simi Valley in June
July	26° / 19°	0	31	12 mm	Perfect	Simi Valley in July
August	26° / 20°	0	31	5 mm	Perfect	Simi Valley in August
September	26° / 18°	0	30	9 mm	Perfect	Simi Valley in September
October	23° / 14°	1	30	16 mm	Perfect	Simi Valley in October
November	19° / 11°	1	29	23 mm	Good	Simi Valley in November
December	15° / 8°	3	28	68 mm	Good	Simi Valley in December

Temperatures in Simi Valley in May

Rain in Simi Valley in May

Weather in Simi Valley in May - FAQ

What is the average temperature in Simi Valley in May?

The average temperature in Simi Valley in May is 14/21° C.

What is the chance of rain in Simi Valley in May?

On average, there are 1 rainy days in Simi Valley during May.

Weather wise, is May a good time to visit Simi Valley?

The weather in Simi Valley in May is good.

Can it snow in Simi Valley in May?

On average, there are 0 snowy days in Simi Valley in May.

More about the weather in Simi Valley