S
M
T
W
T
F
S
29
31°
4°
30
24°
14°
1
25°
7°
2
26°
7°
3
19°
4°
4
19°
4°
5
18°
16°
6
23°
17°
7
29°
18°
8
28°
16°
9
32°
18°
10
33°
18°
11
32°
17°
12
31°
5°
13
32°
4°
14
21°
15°
15
22°
19°
16
32°
10°
17
32°
-1°
18
30°
-1°
19
15°
0°
20
13°
0°
21
13°
13°
22
30°
17°
23
31°
0°
24
31°
15°
25
29°
16°
26
25°
13°
27
27°
2°
28
26°
2°
29
15°
15°
30
30°
14°
31
31°
14°
1
28°
11°
2
24°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Naptowne
Naptowne's December 2026 forecast shows daily high temperatures ranging from 13° to 33°, with overnight lows between -1° and 19°. The average high for December is 26° with an average low of 10°. 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 Naptowne. See also: January | February | March.