S
M
T
W
T
F
S
29
32°
21°
30
22°
10°
1
23°
5°
2
23°
7°
3
18°
8°
4
19°
7°
5
20°
12°
6
24°
18°
7
24°
13°
8
25°
15°
9
29°
9°
10
29°
4°
11
20°
5°
12
19°
15°
13
26°
16°
14
25°
21°
15
33°
20°
16
32°
22°
17
31°
21°
18
34°
11°
19
34°
16°
20
26°
20°
21
28°
7°
22
28°
7°
23
21°
17°
24
25°
22°
25
32°
21°
26
33°
11°
27
34°
5°
28
24°
14°
29
20°
13°
30
23°
12°
31
21°
10°
1
20°
10°
2
20°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kasilof
Kasilof's December 2026 forecast shows daily high temperatures ranging from 18° to 34°, with overnight lows between 4° and 22°. The average high for December is 26° with an average low of 13°. 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 Kasilof. See also: January | February | March.
