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