S
M
T
W
T
F
S
29
39°
32°
30
43°
28°
1
39°
29°
2
44°
32°
3
45°
25°
4
42°
31°
5
44°
32°
6
46°
34°
7
47°
26°
8
48°
24°
9
39°
27°
10
38°
27°
11
41°
31°
12
41°
31°
13
40°
30°
14
43°
33°
15
45°
25°
16
47°
22°
17
38°
25°
18
38°
22°
19
35°
23°
20
37°
28°
21
39°
29°
22
41°
30°
23
44°
28°
24
43°
28°
25
37°
23°
26
37°
24°
27
36°
26°
28
39°
25°
29
40°
22°
30
37°
24°
31
39°
11°
1
41°
10°
2
41°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Napoleon
Napoleon's December 2026 forecast shows daily high temperatures ranging from 35° to 48°, with overnight lows between 10° and 34°. The average high for December is 41° 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 Napoleon. See also: January | February | March.
