Simi Valley in January

Average high

18°C

Average low

10.1°C

Rainfall

—

— wet days

Comfort score

out of 100

January in Simi Valley averages a daily high of 18°C with nights around 10.1°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 January data.