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