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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mount Washington, NH
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December
Average Temperature
High
-3°
Feels -9
Low
-11°
Feels -20
Average Precipitation
12 Days
Rain amount
9.5mm
Snow amount
64.4cm
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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
-12°
25
-12°
26
-21°
27
-16°
28
-12°
29
-16°
30
-21°
31
-16°
Forecast
Wednesday, December 24, 2025
Day
-12°
Feels -16
Wind
8 km/h NW
Gust
25 km/h
Humidity
78%
P.O.P
70%
Snow
1-3 cm
Night
-17°
Feels -21
Wind
8 km/h W
Gust
45 km/h
Humidity
100%
P.O.P
70%
Snow
~1 cm
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.