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