S
M
T
W
T
F
S
29
48°
36°
30
52°
39°
1
50°
38°
2
49°
38°
3
48°
37°
4
48°
37°
5
50°
36°
6
58°
37°
7
56°
36°
8
56°
32°
9
50°
29°
10
48°
36°
11
58°
20°
12
57°
17°
13
41°
18°
14
42°
24°
15
47°
23°
16
48°
31°
17
54°
31°
18
53°
33°
19
58°
32°
20
56°
29°
21
58°
33°
22
57°
32°
23
60°
18°
24
56°
15°
25
42°
17°
26
42°
23°
27
49°
32°
28
55°
33°
29
60°
36°
30
60°
36°
31
59°
31°
1
61°
22°
2
61°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Stillwater
Stillwater's December 2026 forecast shows daily high temperatures ranging from 41° to 61°, with overnight lows between 15° and 39°. The average high for December is 53° with an average low of 30°. 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 Stillwater. See also: January | February | March.
