Average data for 10 years
1 December
Sunday
+1°
0°
2 December
Monday
+1°
0°
3 December
Tuesday
+1°
0°
4 December
Wednesday
+1°
0°
5 December
Thursday
+2°
0°
6 December
Friday
+1°
0°
7 December
Saturday
+1°
0°
8 December
Sunday
+1°
+1°
9 December
Monday
+1°
0°
10 December
Tuesday
0°
0°
11 December
Wednesday
0°
−1°
12 December
Thursday
0°
−1°
13 December
Friday
−1°
−1°
14 December
Saturday
−1°
−1°
15 December
Sunday
0°
−1°
16 December
Monday
−1°
−1°
17 December
Tuesday
−1°
−2°
18 December
Wednesday
0°
−1°
19 December
Thursday
0°
−1°
20 December
Friday
0°
−1°
21 December
Saturday
0°
−1°
22 December
Sunday
0°
−1°
23 December
Monday
−1°
−2°
24 December
Tuesday
−1°
−2°
25 December
Wednesday
0°
0°
26 December
Thursday
0°
−1°
27 December
Friday
0°
−1°
28 December
Saturday
−1°
−1°
29 December
Sunday
0°
−2°
30 December
Monday
0°
−2°
31 December
Tuesday
0°
−2°
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 17 snowy, 7 cloudy, 6 rainy, and 1 sunny day in December. The snowfalls are usually moderate.