S
M
T
W
T
F
S
29
39°
24°
30
41°
28°
1
44°
33°
2
44°
30°
3
45°
31°
4
48°
34°
5
50°
25°
6
37°
22°
7
37°
28°
8
46°
34°
9
47°
32°
10
42°
33°
11
46°
33°
12
45°
30°
13
38°
26°
14
36°
22°
15
33°
20°
16
33°
22°
17
36°
26°
18
40°
30°
19
45°
30°
20
43°
32°
21
45°
30°
22
37°
27°
23
37°
26°
24
43°
29°
25
30°
16°
26
32°
18°
27
32°
23°
28
33°
28°
29
46°
24°
30
45°
22°
31
35°
20°
1
35°
18°
2
36°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Greendell
Greendell's December 2026 forecast shows daily high temperatures ranging from 30° to 50°, with overnight lows between 15° and 34°. The average high for December is 40° with an average low of 26°. 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 Greendell. See also: January | February | March.
