S
M
T
W
T
F
S
29
66°
47°
30
66°
38°
1
58°
33°
2
51°
32°
3
52°
37°
4
57°
43°
5
55°
38°
6
51°
34°
7
51°
31°
8
49°
30°
9
49°
29°
10
50°
31°
11
53°
31°
12
54°
37°
13
56°
37°
14
53°
33°
15
51°
32°
16
48°
35°
17
51°
32°
18
49°
29°
19
48°
27°
20
48°
29°
21
50°
31°
22
55°
30°
23
48°
28°
24
45°
27°
25
46°
27°
26
46°
29°
27
47°
29°
28
48°
30°
29
48°
28°
30
49°
31°
31
49°
27°
1
47°
27°
2
47°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Merit
Merit's December 2026 forecast shows daily high temperatures ranging from 45° to 66°, with overnight lows between 27° and 47°. The average high for December is 51° with an average low of 32°. 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 Merit. See also: January | February | March.
