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Monthly
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Hourly
7 Days
14 Days
Monthly
°C
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Monthly Historical Averages
McLean, VA
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December
Average Temperature
High
8°
Feels 7
Low
1°
Feels -2
Average Precipitation
9 Days
Rain amount
54.1mm
Snow amount
9.5cm
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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
25
26
27
28
7°
29
14°
30
1°
31
5°
Forecast
Sunday, December 28, 2025
Day
7°
Feels 4
Wind
15 km/h S
Gust
22 km/h
Humidity
64%
P.O.P
30%
Night
6°
Feels 3
Wind
23 km/h SW
Gust
35 km/h
Humidity
91%
P.O.P
30%
Historical Averages
Dec 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.