S
M
T
W
T
F
S
29
60°
35°
30
61°
40°
1
62°
40°
2
59°
34°
3
57°
41°
4
60°
44°
5
62°
41°
6
63°
40°
7
51°
39°
8
54°
35°
9
49°
27°
10
47°
27°
11
47°
28°
12
48°
27°
13
48°
27°
14
49°
34°
15
57°
42°
16
63°
40°
17
53°
40°
18
55°
39°
19
60°
38°
20
57°
38°
21
49°
27°
22
47°
32°
23
50°
37°
24
52°
28°
25
47°
20°
26
44°
22°
27
42°
33°
28
50°
34°
29
55°
31°
30
53°
25°
31
55°
27°
1
49°
32°
2
51°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Monroe
Monroe's December 2026 forecast shows daily high temperatures ranging from 42° to 63°, with overnight lows between 20° and 44°. The average high for December is 53° 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 Monroe. See also: January | February | March.
