Mission Viejo in December

Average high

19.7°C

Average low

9.7°C

Rainfall

—

— wet days

Comfort score

out of 100

December in Mission Viejo averages a daily high of 19.7°C with nights around 9.7°C. Comfortable conditions for being outdoors all day.

Across the year, the best time to visit Mission Viejo is October–June.

Based on BELL CANYON CALIFORNIA, CA US (9.9km), 1995–2024. 30 years of December data.