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