Average data for 10 years
1 December
Sunday
−13°
−16°
2 December
Monday
−15°
−16°
3 December
Tuesday
−17°
−20°
4 December
Wednesday
−15°
−17°
5 December
Thursday
−14°
−16°
6 December
Friday
−14°
−16°
7 December
Saturday
−16°
−17°
8 December
Sunday
−21°
−20°
9 December
Monday
−18°
−20°
10 December
Tuesday
−20°
−20°
11 December
Wednesday
−20°
−22°
12 December
Thursday
−19°
−21°
13 December
Friday
−18°
−20°
14 December
Saturday
−16°
−19°
15 December
Sunday
−15°
−16°
16 December
Monday
−16°
−18°
17 December
Tuesday
−16°
−19°
18 December
Wednesday
−17°
−16°
19 December
Thursday
−20°
−21°
20 December
Friday
−19°
−22°
21 December
Saturday
−18°
−20°
22 December
Sunday
−19°
−19°
23 December
Monday
−22°
−22°
24 December
Tuesday
−22°
−23°
25 December
Wednesday
−19°
−23°
26 December
Thursday
−14°
−18°
27 December
Friday
−16°
−16°
28 December
Saturday
−16°
−17°
29 December
Sunday
−18°
−19°
30 December
Monday
−20°
−21°
31 December
Tuesday
−20°
−21°
In December, the weather in Ust-Ilimsk is typically freezing. Average daily high temperature in December is about 18 degrees below zero. On average, Ust-Ilimsk has 22 cloudy, 8 snowy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, April, and May is considered the most uncomfortable time to visit Ust-Ilimsk.