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