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