S
M
T
W
T
F
S
30
40°
24°
1
50°
14°
2
48°
15°
3
38°
20°
4
44°
17°
5
46°
35°
6
47°
25°
7
51°
28°
8
55°
34°
9
57°
30°
10
64°
24°
11
60°
18°
12
55°
15°
13
59°
16°
14
58°
14°
15
58°
23°
16
54°
42°
17
49°
29°
18
50°
32°
19
45°
32°
20
47°
29°
21
46°
40°
22
49°
36°
23
55°
33°
24
49°
30°
25
43°
33°
26
38°
28°
27
35°
20°
28
40°
20°
29
46°
24°
30
53°
19°
31
50°
20°
1
45°
34°
2
48°
38°
3
46°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bly
Bly's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Bly. See also: January | February | March.