S
M
T
W
T
F
S
29
28°
6°
30
25°
4°
1
24°
5°
2
26°
11°
3
31°
17°
4
25°
13°
5
23°
9°
6
24°
3°
7
22°
2°
8
25°
3°
9
32°
3°
10
32°
4°
11
33°
2°
12
33°
9°
13
32°
8°
14
27°
14°
15
22°
12°
16
26°
0°
17
22°
10°
18
21°
13°
19
22°
12°
20
25°
12°
21
26°
-1°
22
24°
2°
23
22°
0°
24
25°
6°
25
22°
15°
26
27°
10°
27
30°
-3°
28
27°
8°
29
17°
-2°
30
23°
-2°
31
17°
1°
1
24°
12°
2
28°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grover
Grover's December 2026 forecast shows daily high temperatures ranging from 17° to 33°, with overnight lows between -3° and 17°. The average high for December is 25° 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 Grover. See also: January | February | March.
