S
M
T
W
T
F
S
29
44°
40°
30
45°
38°
1
46°
33°
2
42°
33°
3
42°
32°
4
41°
33°
5
40°
32°
6
41°
34°
7
41°
33°
8
42°
38°
9
43°
35°
10
43°
32°
11
41°
32°
12
40°
33°
13
40°
32°
14
44°
38°
15
46°
38°
16
43°
36°
17
45°
37°
18
44°
35°
19
41°
33°
20
42°
35°
21
46°
36°
22
46°
36°
23
45°
37°
24
46°
37°
25
47°
36°
26
46°
37°
27
44°
36°
28
45°
37°
29
46°
37°
30
46°
38°
31
45°
37°
1
47°
36°
2
46°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Settle
Settle's December 2026 forecast shows daily high temperatures ranging from 40° to 47°, with overnight lows between 32° and 40°. The average high for December is 44° with an average low of 35°. 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 Settle. See also: January | February | March.
