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Monthly Historical Averages
Seattle, WA
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December
Average Temperature
High
7°
Feels 6
Low
3°
Feels 0
Average Precipitation
17 Days
Rain amount
148.8mm
Snow amount
3.4cm
Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
8°
25
7°
26
6°
27
6°
28
6°
29
7°
30
7°
31
8°
Forecast
Wednesday, December 24, 2025
Day
8°
Feels 6
Wind
31 km/h S
Gust
47 km/h
Humidity
81%
P.O.P
70%
Rain
~1 mm
Night
3°
Feels -1
Wind
22 km/h N
Gust
33 km/h
Humidity
100%
P.O.P
30%
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.