S
M
T
W
T
F
S
29
47°
34°
30
50°
33°
1
45°
32°
2
45°
33°
3
43°
32°
4
42°
29°
5
40°
28°
6
41°
31°
7
40°
31°
8
39°
30°
9
39°
30°
10
45°
31°
11
44°
30°
12
39°
27°
13
36°
25°
14
32°
24°
15
33°
28°
16
37°
28°
17
42°
30°
18
44°
28°
19
42°
28°
20
38°
24°
21
33°
21°
22
35°
26°
23
39°
27°
24
40°
25°
25
30°
14°
26
30°
18°
27
33°
21°
28
34°
18°
29
32°
18°
30
33°
17°
31
33°
11°
1
30°
10°
2
27°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Onarga
Onarga's December 2026 forecast shows daily high temperatures ranging from 27° to 50°, with overnight lows between 10° and 34°. The average high for December is 38° with an average low of 25°. 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 Onarga. See also: January | February | March.
