S
M
T
W
T
F
S
29
34°
18°
30
24°
12°
1
20°
17°
2
32°
19°
3
33°
19°
4
30°
18°
5
30°
17°
6
28°
14°
7
19°
15°
8
30°
17°
9
31°
17°
10
30°
16°
11
31°
16°
12
30°
15°
13
31°
16°
14
21°
11°
15
25°
12°
16
25°
8°
17
26°
6°
18
22°
-4°
19
17°
-6°
20
12°
8°
21
24°
10°
22
25°
5°
23
24°
7°
24
17°
6°
25
24°
8°
26
23°
6°
27
24°
-1°
28
21°
-7°
29
12°
-7°
30
10°
-8°
31
10°
-9°
1
9°
4°
2
12°
6°
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 9° to 34°, with overnight lows between -9° and 19°. The average high for December is 23° with an average low of 9°. 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.
