Average data for 10 years
1 December
Monday
0°
−2°
2 December
Tuesday
0°
−2°
3 December
Wednesday
0°
−2°
4 December
Thursday
0°
−3°
5 December
Friday
0°
−3°
6 December
Saturday
0°
−2°
7 December
Sunday
0°
−2°
8 December
Monday
0°
−2°
9 December
Tuesday
0°
−2°
10 December
Wednesday
0°
−2°
11 December
Thursday
0°
−1°
12 December
Friday
0°
−2°
13 December
Saturday
0°
−3°
14 December
Sunday
0°
−3°
15 December
Monday
0°
−3°
16 December
Tuesday
0°
−3°
17 December
Wednesday
0°
−3°
18 December
Thursday
0°
−4°
19 December
Friday
0°
−3°
20 December
Saturday
0°
−4°
21 December
Sunday
−2°
−5°
22 December
Monday
−2°
−5°
23 December
Tuesday
−2°
−5°
24 December
Wednesday
−1°
−6°
25 December
Thursday
−2°
−5°
26 December
Friday
0°
−5°
27 December
Saturday
−1°
−4°
28 December
Sunday
−1°
−5°
29 December
Monday
−1°
−4°
30 December
Tuesday
0°
−4°
31 December
Wednesday
−1°
−4°
Cities with similar weather in December
Latvia
Riga
Sweden
Stockholm
Iceland
Reykyavik
Norway
Oslo
Latvia
Yurmala
December in Helsinki is the windiest month of the year. In December, the weather in Helsinki is typically freezing. Average daily high temperature in December is about zero. On average, Helsinki has 14 cloudy, 7 partly cloudy, 4 rainy, 4 snowy, and 2 sunny days in December. The rains are usually moderate. December as well as March, April, October, and November is considered the most uncomfortable time to visit Helsinki.