Average data for 10 years
1 December
Monday
+7°
+1°
2 December
Tuesday
+7°
+1°
3 December
Wednesday
+7°
0°
4 December
Thursday
+5°
0°
5 December
Friday
+5°
0°
6 December
Saturday
+5°
0°
7 December
Sunday
+5°
0°
8 December
Monday
+5°
0°
9 December
Tuesday
+5°
0°
10 December
Wednesday
+6°
0°
11 December
Thursday
+6°
+1°
12 December
Friday
+6°
+1°
13 December
Saturday
+6°
+1°
14 December
Sunday
+6°
+1°
15 December
Monday
+6°
+1°
16 December
Tuesday
+6°
+1°
17 December
Wednesday
+6°
0°
18 December
Thursday
+6°
0°
19 December
Friday
+6°
0°
20 December
Saturday
+6°
0°
21 December
Sunday
+5°
0°
22 December
Monday
+5°
−1°
23 December
Tuesday
+5°
−1°
24 December
Wednesday
+4°
−1°
25 December
Thursday
+4°
−1°
26 December
Friday
+4°
−1°
27 December
Saturday
+5°
0°
28 December
Sunday
+5°
+1°
29 December
Monday
+5°
0°
30 December
Tuesday
+5°
0°
31 December
Wednesday
+5°
0°
Cities with similar weather in December
Austria
Vienna
Germany
Munich
Germany
Hamburg
Denmark
Copenhagen
Switzerland
Geneva
December in Walla Walla is the cloudiest and the coldest month of the year. In December, the weather in Walla Walla is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Walla Walla has 9 rainy, 9 partly cloudy, 8 cloudy, 4 sunny, and 1 snowy day in December. The rains are usually light. December as well as January, February, and November is considered the most uncomfortable time to visit Walla Walla.