Simi Valley in May

Average high

25.4°C

Average low

11.9°C

Rainfall

—

— wet days

Comfort score

out of 100

May in Simi Valley averages a daily high of 25.4°C with nights around 11.9°C. Comfortable conditions for being outdoors all day.

Across the year, the best time to visit Simi Valley is October–May.

Based on CHEESEBORO CALIFORNIA, CA US (11.1km), 1995–2024. 29 years of May data.