S
M
T
W
T
F
S
29
42°
34°
30
44°
27°
1
43°
22°
2
38°
22°
3
37°
25°
4
41°
31°
5
42°
33°
6
41°
34°
7
42°
32°
8
47°
29°
9
44°
34°
10
43°
31°
11
45°
31°
12
42°
30°
13
40°
32°
14
41°
29°
15
41°
20°
16
39°
20°
17
34°
26°
18
35°
24°
19
37°
29°
20
36°
29°
21
37°
33°
22
42°
31°
23
39°
21°
24
30°
19°
25
Hist. Avg.
35°
23°
26
Hist. Avg.
35°
23°
27
Hist. Avg.
35°
23°
28
Hist. Avg.
35°
23°
29
Hist. Avg.
35°
23°
30
Hist. Avg.
35°
24°
31
Hist. Avg.
35°
24°
1
Hist. Avg.
35°
24°
2
Hist. Avg.
35°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Spokane
Spokane's December 2026 forecast shows daily high temperatures ranging from 30° to 47°, with overnight lows between 19° and 34°. The average high for December is 40° with an average low of 28°. 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 Spokane. See also: January | February | March.
