S
M
T
W
T
F
S
29
34°
19°
30
33°
18°
1
33°
15°
2
34°
4°
3
30°
-1°
4
22°
-2°
5
18°
0°
6
17°
-1°
7
18°
-4°
8
17°
-5°
9
14°
-4°
10
14°
-2°
11
17°
-1°
12
18°
4°
13
20°
11°
14
25°
14°
15
30°
12°
16
31°
14°
17
31°
13°
18
30°
13°
19
31°
10°
20
30°
9°
21
26°
10°
22
25°
10°
23
26°
9°
24
27°
7°
25
25°
1°
26
21°
0°
27
21°
8°
28
24°
10°
29
29°
9°
30
13°
-13°
31
26°
5°
1
25°
4°
2
Hist. Avg.
19°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Jacobson
Jacobson's December 2026 forecast shows daily high temperatures ranging from 13° to 34°, with overnight lows between -13° and 19°. The average high for December is 25° with an average low of 6°. 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 Jacobson. See also: January | February | March.