Simi Valley in July

Average high

33.5°C

Average low

17.2°C

Rainfall

—

— wet days

Comfort score

out of 100

July in Simi Valley averages a daily high of 33.5°C with nights around 17.2°C. Generally workable, with some weather to plan around.

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

Based on CHEESEBORO CALIFORNIA, CA US (11.1km), 1995–2024. 28 years of July data.