San Ramon in January

Average high

12°C

Average low

6.2°C

Rainfall

—

— wet days

Comfort score

out of 100

January in San Ramon averages a daily high of 12°C with nights around 6.2°C. Generally workable, with some weather to plan around.

Across the year, the best time to visit San Ramon is April–October.

Based on LAS TRAMPAS CALIFORNIA, CA US (9.8km), 1995–2024. 27 years of January data.