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