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