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Monthly
Precipitation
Temperature
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°Celsius
°Fahrenheit
Monthly Historical Averages
San Ramon, CA
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May
Average Temperature
High
23°
Feels 23
Low
9°
Feels 8
Average Precipitation
3 Days
Rain amount
8.2mm
Snow amount
0cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
19°
4
17°
5
16°
6
21°
7
20°
8
23°
9
26°
10
33°
11
33°
12
29°
13
22°
14
23°
15
22°
16
21°
17
19°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
19°
Feels 19
Wind
24 km/h SW
Gust
36 km/h
Humidity
50%
P.O.P
30%
Night
10°
Feels 9
Wind
23 km/h SW
Gust
34 km/h
Humidity
92%
P.O.P
30%
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.