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