Average data for 10 years
1 December
Sunday
−5°
−6°
2 December
Monday
−5°
−5°
3 December
Tuesday
−3°
−4°
4 December
Wednesday
−4°
−6°
5 December
Thursday
−5°
−5°
6 December
Friday
−4°
−5°
7 December
Saturday
−4°
−6°
8 December
Sunday
−5°
−6°
9 December
Monday
−6°
−7°
10 December
Tuesday
−6°
−7°
11 December
Wednesday
−6°
−7°
12 December
Thursday
−6°
−7°
13 December
Friday
−7°
−8°
14 December
Saturday
−7°
−7°
15 December
Sunday
−5°
−5°
16 December
Monday
−5°
−7°
17 December
Tuesday
−8°
−9°
18 December
Wednesday
−8°
−9°
19 December
Thursday
−9°
−9°
20 December
Friday
−9°
−9°
21 December
Saturday
−8°
−9°
22 December
Sunday
−9°
−10°
23 December
Monday
−9°
−10°
24 December
Tuesday
−7°
−6°
25 December
Wednesday
−5°
−7°
26 December
Thursday
−6°
−7°
27 December
Friday
−7°
−8°
28 December
Saturday
−8°
−9°
29 December
Sunday
−9°
−10°
30 December
Monday
−9°
−9°
31 December
Tuesday
−9°
−9°
December in Kostroma is the windiest month of the year. In December, the weather in Kostroma is typically freezing. Average daily high temperature in December is about 7 degrees below zero. On average, Kostroma has 17 snowy, 6 cloudy, 5 sunny, and 3 partly cloudy days in December. The snowfalls are usually heavy.