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