S
M
T
W
T
F
S
29
34°
10°
30
30°
4°
1
27°
3°
2
29°
8°
3
35°
7°
4
29°
5°
5
27°
5°
6
27°
2°
7
25°
1°
8
27°
4°
9
35°
4°
10
37°
5°
11
37°
6°
12
38°
12°
13
38°
9°
14
31°
9°
15
29°
13°
16
30°
6°
17
28°
1°
18
27°
3°
19
28°
4°
20
28°
7°
21
30°
5°
22
29°
2°
23
29°
9°
24
30°
3°
25
29°
11°
26
30°
13°
27
36°
3°
28
31°
2°
29
28°
4°
30
29°
0°
31
27°
3°
1
28°
8°
2
34°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Granite
Granite's December 2026 forecast shows daily high temperatures ranging from 25° to 38°, with overnight lows between -0° and 13°. The average high for December is 30° with an average low of 6°. 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 Granite. See also: January | February | March.
