Average data for 10 years
1 December
Monday
+3°
0°
2 December
Tuesday
+2°
0°
3 December
Wednesday
+2°
−1°
4 December
Thursday
+1°
0°
5 December
Friday
+2°
−1°
6 December
Saturday
0°
−2°
7 December
Sunday
+1°
−1°
8 December
Monday
+1°
−1°
9 December
Tuesday
+1°
0°
10 December
Wednesday
+2°
0°
11 December
Thursday
+2°
+1°
12 December
Friday
+1°
0°
13 December
Saturday
+2°
−1°
14 December
Sunday
0°
−2°
15 December
Monday
0°
−2°
16 December
Tuesday
−1°
−2°
17 December
Wednesday
+1°
−1°
18 December
Thursday
+1°
−1°
19 December
Friday
0°
−1°
20 December
Saturday
+2°
−1°
21 December
Sunday
+1°
−1°
22 December
Monday
0°
−2°
23 December
Tuesday
−1°
−2°
24 December
Wednesday
0°
−1°
25 December
Thursday
−1°
−3°
26 December
Friday
0°
−1°
27 December
Saturday
+1°
0°
28 December
Sunday
+1°
−2°
29 December
Monday
−1°
−3°
30 December
Tuesday
0°
−4°
31 December
Wednesday
0°
−4°
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December in Pullman is the snowiest and the coldest month of the year. In December, the weather in Pullman is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Pullman has 10 rainy, 6 snowy, 6 cloudy, 6 partly cloudy, and 3 sunny days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Pullman.