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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Helsinki, 18
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December
Average Temperature
High
1°
Feels -4
Low
-3°
Feels -8
Average Precipitation
11 Days
Rain amount
36.8mm
Snow amount
9.8cm
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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
6°
26
3°
27
4°
28
0°
29
1°
30
-2°
31
-4°
Forecast
Thursday, December 25, 2025
Day
6°
Feels 2
Wind
32 km/h W
Gust
48 km/h
Humidity
76%
P.O.P
30%
Night
2°
Feels -2
Wind
29 km/h NW
Gust
44 km/h
Humidity
81%
P.O.P
30%
Historical Averages
Dec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.