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