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