Monthly Historical AveragesBel Marin Keys, CA
Average Temperature
High
14°
Feels 13
Low
5°
Feels 4
Average Precipitation
8 Days
58.2mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, December 29, 2025
Day
13°Feels 13
Wind
8 km/h SE
Gust
12 km/h
Humidity
53%
P.O.P
0%
Night
5°Feels 2
Wind
15 km/h E
Gust
23 km/h
Humidity
100%
P.O.P
0%
Historical AveragesDec 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity