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