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