S
M
T
W
T
F
S
29
55°
36°
30
46°
32°
1
47°
38°
2
47°
37°
3
50°
38°
4
53°
35°
5
42°
32°
6
40°
29°
7
39°
27°
8
39°
27°
9
40°
29°
10
39°
36°
11
48°
37°
12
51°
36°
13
48°
35°
14
47°
35°
15
47°
37°
16
50°
35°
17
49°
34°
18
35°
22°
19
35°
24°
20
42°
25°
21
41°
29°
22
45°
25°
23
39°
27°
24
44°
26°
25
40°
24°
26
38°
34°
27
48°
32°
28
51°
25°
29
45°
20°
30
39°
18°
31
34°
23°
1
35°
17°
2
40°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grill
Grill's December 2026 forecast shows daily high temperatures ranging from 34° to 55°, with overnight lows between 16° and 38°. The average high for December is 44° with an average low of 29°. 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 Grill. See also: January | February | March.
