Upland in December

Average high

18.4°C

Average low

6.1°C

Rainfall

—

— wet days

Comfort score

out of 100

December in Upland averages a daily high of 18.4°C with nights around 6.1°C. Comfortable conditions for being outdoors all day.

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

Based on CLAREMONT CALIFORNIA, CA US (6.9km), 1995–2024. 27 years of December data.