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