S
M
T
W
T
F
S
29
37°
8°
30
38°
9°
1
34°
7°
2
33°
6°
3
34°
11°
4
35°
11°
5
36°
2°
6
33°
-1°
7
26°
4°
8
28°
2°
9
30°
4°
10
31°
3°
11
29°
7°
12
28°
-2°
13
29°
-5°
14
25°
-6°
15
24°
-4°
16
25°
-4°
17
27°
5°
18
33°
3°
19
31°
7°
20
30°
1°
21
32°
-4°
22
26°
-7°
23
24°
-6°
24
23°
-1°
25
26°
-2°
26
27°
-4°
27
26°
-4°
28
26°
-7°
29
23°
-7°
30
24°
-4°
31
26°
-5°
1
29°
-6°
2
26°
-6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kemmerer
Kemmerer's December 2026 forecast shows daily high temperatures ranging from 23° to 38°, with overnight lows between -7° and 11°. The average high for December is 29° with an average low of 0°. 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 Kemmerer. See also: January | February | March.