Monthly Historical AveragesGuerneville, CA
Average Temperature
High
13°
Feels 12
Low
4°
Feels 2
Average Precipitation
10 Days
85mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, December 26, 2025
Day
12°Feels 10
Wind
23 km/h S
Gust
35 km/h
Humidity
76%
P.O.P
80%
Rain
~5 mm
Night
3°Feels 1
Wind
16 km/h W
Gust
24 km/h
Humidity
100%
P.O.P
30%
Rain
<1 mm
Historical AveragesDec 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity