S
M
T
W
T
F
S
29
59°
42°
30
62°
35°
1
53°
30°
2
46°
28°
3
52°
38°
4
56°
39°
5
50°
38°
6
46°
31°
7
46°
27°
8
43°
26°
9
44°
28°
10
46°
32°
11
49°
30°
12
56°
35°
13
51°
34°
14
49°
31°
15
49°
32°
16
47°
32°
17
45°
27°
18
43°
23°
19
42°
20°
20
39°
22°
21
41°
29°
22
48°
30°
23
44°
25°
24
42°
23°
25
42°
28°
26
43°
29°
27
43°
27°
28
44°
26°
29
43°
28°
30
43°
25°
31
44°
23°
1
40°
22°
2
40°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Owasso
Owasso's December 2026 forecast shows daily high temperatures ranging from 39° to 62°, with overnight lows between 20° and 42°. The average high for December is 47° with an average low of 29°. 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 Owasso. See also: January | February | March.
