S
M
T
W
T
F
S
29
54°
36°
30
56°
35°
1
54°
37°
2
54°
34°
3
48°
29°
4
47°
27°
5
54°
34°
6
54°
33°
7
42°
30°
8
40°
22°
9
39°
21°
10
37°
22°
11
38°
28°
12
38°
26°
13
40°
26°
14
38°
16°
15
37°
22°
16
40°
26°
17
39°
29°
18
42°
25°
19
46°
18°
20
40°
17°
21
37°
16°
22
34°
16°
23
35°
23°
24
37°
21°
25
37°
18°
26
35°
14°
27
34°
15°
28
33°
10°
29
33°
14°
30
35°
24°
31
40°
19°
1
42°
14°
2
34°
11°
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 33° to 56°, with overnight lows between 10° and 37°. The average high for December is 41° with an average low of 23°. 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.
