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