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