S
M
T
W
T
F
S
29
45°
36°
30
44°
41°
1
44°
40°
2
45°
38°
3
42°
38°
4
41°
32°
5
39°
32°
6
38°
31°
7
38°
32°
8
39°
30°
9
38°
29°
10
37°
30°
11
37°
30°
12
38°
29°
13
36°
29°
14
36°
30°
15
37°
29°
16
40°
36°
17
42°
37°
18
44°
34°
19
41°
34°
20
39°
33°
21
42°
35°
22
44°
34°
23
42°
34°
24
41°
36°
25
44°
35°
26
44°
35°
27
43°
34°
28
42°
34°
29
42°
35°
30
44°
36°
31
43°
36°
1
43°
32°
2
41°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grube
Grube's December 2026 forecast shows daily high temperatures ranging from 36° to 45°, with overnight lows between 28° and 41°. The average high for December is 41° with an average low of 34°. 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 Grube. See also: January | February | March.