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