S
M
T
W
T
F
S
29
47°
33°
30
49°
27°
1
48°
26°
2
47°
21°
3
48°
17°
4
34°
16°
5
32°
17°
6
32°
19°
7
35°
21°
8
36°
21°
9
36°
25°
10
35°
20°
11
32°
22°
12
32°
22°
13
33°
18°
14
31°
14°
15
28°
10°
16
27°
15°
17
26°
26°
18
39°
26°
19
41°
25°
20
43°
24°
21
40°
28°
22
41°
29°
23
43°
26°
24
42°
22°
25
37°
21°
26
35°
23°
27
37°
27°
28
40°
28°
29
41°
26°
30
42°
24°
31
41°
21°
1
38°
19°
2
30°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sugar Grove
Sugar Grove's December 2026 forecast shows daily high temperatures ranging from 26° to 49°, with overnight lows between 10° and 33°. The average high for December is 38° with an average low of 22°. 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 Sugar Grove. See also: January | February | March.
