Simi Valley in April

Average high

22.5°C

Average low

10.4°C

Rainfall

—

— wet days

Comfort score

out of 100

April in Simi Valley averages a daily high of 22.5°C with nights around 10.4°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 April data.