S
M
T
W
T
F
S
29
34°
22°
30
31°
17°
1
32°
23°
2
39°
31°
3
38°
31°
4
37°
29°
5
34°
23°
6
36°
17°
7
31°
16°
8
36°
16°
9
37°
17°
10
39°
19°
11
41°
16°
12
41°
15°
13
39°
22°
14
37°
30°
15
37°
22°
16
39°
22°
17
33°
28°
18
34°
29°
19
36°
30°
20
36°
24°
21
37°
24°
22
32°
28°
23
36°
17°
24
35°
29°
25
35°
20°
26
37°
10°
27
36°
9°
28
23°
22°
29
28°
16°
30
30°
21°
31
27°
26°
1
38°
28°
2
39°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Charlo
Charlo's December 2026 forecast shows daily high temperatures ranging from 23° to 41°, with overnight lows between 9° and 31°. The average high for December is 35° with an average low of 22°. 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 Charlo. See also: January | February | March.
