S
M
T
W
T
F
S
30
46°
14°
1
41°
30°
2
45°
28°
3
46°
23°
4
43°
16°
5
39°
14°
6
39°
25°
7
36°
27°
8
45°
32°
9
43°
32°
10
41°
30°
11
37°
23°
12
34°
27°
13
41°
30°
14
37°
23°
15
34°
16°
16
37°
21°
17
37°
19°
18
37°
18°
19
39°
12°
20
41°
12°
21
37°
9°
22
39°
16°
23
41°
14°
24
39°
14°
25
41°
16°
26
34°
28°
27
37°
25°
28
25°
3°
29
23°
5°
30
25°
0°
31
21°
5°
1
28°
19°
2
28°
-13°
3
10°
-20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sevan
Sevan's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Sevan. See also: January | February | March.