S
M
T
W
T
F
S
29
43°
31°
30
42°
30°
1
42°
29°
2
41°
28°
3
42°
32°
4
43°
32°
5
45°
33°
6
43°
37°
7
41°
38°
8
43°
37°
9
42°
30°
10
40°
28°
11
51°
32°
12
49°
36°
13
45°
32°
14
51°
30°
15
43°
26°
16
40°
25°
17
38°
30°
18
40°
32°
19
45°
33°
20
46°
35°
21
48°
35°
22
49°
34°
23
49°
36°
24
48°
38°
25
51°
29°
26
52°
28°
27
49°
25°
28
38°
28°
29
38°
32°
30
47°
32°
31
46°
34°
1
48°
36°
2
49°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Great River
Great River's December 2026 forecast shows daily high temperatures ranging from 38° to 52°, with overnight lows between 25° and 38°. The average high for December is 45° with an average low of 32°. 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 Great River. See also: January | February | March.
