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