S
M
T
W
T
F
S
29
34°
21°
30
31°
16°
1
32°
22°
2
39°
30°
3
38°
30°
4
36°
28°
5
34°
22°
6
36°
16°
7
31°
15°
8
35°
15°
9
37°
16°
10
39°
17°
11
41°
14°
12
40°
14°
13
39°
21°
14
36°
29°
15
36°
21°
16
38°
21°
17
33°
26°
18
34°
27°
19
36°
29°
20
36°
22°
21
37°
22°
22
32°
27°
23
36°
16°
24
35°
28°
25
35°
19°
26
37°
9°
27
36°
8°
28
22°
22°
29
28°
15°
30
30°
20°
31
26°
26°
1
37°
27°
2
38°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ravalli
Ravalli's December 2026 forecast shows daily high temperatures ranging from 22° to 41°, with overnight lows between 8° and 30°. The average high for December is 35° with an average low of 21°. 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 Ravalli. See also: January | February | March.
