S
M
T
W
T
F
S
29
32°
21°
30
22°
7°
1
21°
4°
2
22°
6°
3
17°
5°
4
18°
5°
5
19°
10°
6
22°
15°
7
23°
11°
8
24°
13°
9
28°
7°
10
27°
2°
11
19°
3°
12
17°
12°
13
25°
14°
14
23°
18°
15
32°
18°
16
32°
19°
17
29°
19°
18
33°
8°
19
33°
14°
20
25°
16°
21
27°
3°
22
26°
3°
23
18°
12°
24
22°
19°
25
31°
17°
26
31°
4°
27
30°
0°
28
21°
8°
29
17°
6°
30
19°
5°
31
17°
3°
1
16°
2°
2
15°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kenai
Kenai's December 2026 forecast shows daily high temperatures ranging from 15° to 33°, with overnight lows between -0° and 21°. The average high for December is 24° with an average low of 9°. 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 Kenai. See also: January | February | March.
