S
M
T
W
T
F
S
29
46°
33°
30
43°
31°
1
43°
37°
2
48°
24°
3
46°
22°
4
43°
23°
5
41°
24°
6
40°
23°
7
42°
22°
8
43°
20°
9
41°
20°
10
38°
21°
11
37°
20°
12
38°
21°
13
39°
23°
14
41°
23°
15
41°
25°
16
42°
27°
17
43°
31°
18
43°
32°
19
41°
29°
20
42°
24°
21
40°
27°
22
43°
30°
23
40°
22°
24
41°
21°
25
36°
20°
26
37°
21°
27
37°
20°
28
36°
21°
29
40°
23°
30
41°
13°
31
35°
20°
1
34°
17°
2
Hist. Avg.
41°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rolla
Rolla's December 2026 forecast shows daily high temperatures ranging from 34° to 48°, with overnight lows between 13° and 37°. The average high for December is 41° with an average low of 24°. 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 Rolla. See also: January | February | March.
