S
M
T
W
T
F
S
29
47°
34°
30
46°
33°
1
45°
33°
2
45°
34°
3
46°
35°
4
45°
34°
5
46°
36°
6
45°
35°
7
43°
32°
8
44°
37°
9
43°
37°
10
44°
39°
11
43°
41°
12
47°
41°
13
49°
40°
14
48°
42°
15
49°
43°
16
52°
41°
17
52°
39°
18
48°
37°
19
45°
35°
20
46°
33°
21
44°
32°
22
42°
33°
23
43°
36°
24
42°
39°
25
45°
40°
26
47°
39°
27
47°
36°
28
46°
37°
29
42°
35°
30
46°
39°
31
40°
31°
1
40°
29°
2
Hist. Avg.
47°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Spanaway
Spanaway's December 2026 forecast shows daily high temperatures ranging from 40° to 52°, with overnight lows between 29° and 43°. The average high for December is 45° with an average low of 36°. 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 Spanaway. See also: January | February | March.
