Historical Weather Records & Monthly Climate for San Ramon, CA

All-Time High
113°F
All-Time Low
20°F
Max Daily Snow
2.5"
Max Daily Rain
3.57"
Max Snow Depth
0

Monthly Climate Averages for San Ramon, CA

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January57°42°3.93"0
February59°43°3.66"0.16"
March62°45°2.94"0.03"
April66°47°1.49"0
May71°51°0.77"0
June78°55°0.13"0
July81°57°0.03"0
August81°58°0.07"0
September80°57°0.13"0
October74°53°0.97"0
November63°47°1.94"0
December56°42°3.89"0.01"

Historical Weather Extremes for San Ramon, CA

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
11 Days
2006
Consecutive days ≥ 90°F
🧊
Deepest Freeze
0 Days
N/A
Consecutive days ≤ 32°F
🏜️
Longest Drought
169 Days
2002
Consecutive days w/o rain
Wettest Month
8.11"
January 2017
Most rainfall in one month
Snowiest Month
3.94"
February 2023
Most snowfall in one month

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