S
M
T
W
T
F
S
29
48°
38°
30
45°
39°
1
44°
38°
2
45°
39°
3
48°
38°
4
45°
38°
5
45°
39°
6
47°
37°
7
47°
39°
8
46°
38°
9
49°
35°
10
45°
38°
11
42°
31°
12
40°
34°
13
43°
37°
14
44°
38°
15
47°
40°
16
49°
36°
17
48°
32°
18
47°
31°
19
41°
29°
20
40°
30°
21
40°
29°
22
42°
26°
23
39°
29°
24
38°
35°
25
43°
36°
26
42°
35°
27
43°
29°
28
42°
29°
29
41°
28°
30
40°
28°
31
39°
27°
1
40°
28°
2
39°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Yelm
Yelm's December 2026 forecast shows daily high temperatures ranging from 38° to 49°, with overnight lows between 26° and 40°. The average high for December is 44° with an average low of 34°. 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 Yelm. See also: January | February | March.
