S
M
T
W
T
F
S
29
52°
35°
30
53°
45°
1
54°
44°
2
53°
44°
3
52°
43°
4
51°
43°
5
53°
38°
6
58°
43°
7
59°
39°
8
56°
37°
9
57°
36°
10
54°
42°
11
64°
27°
12
65°
25°
13
45°
26°
14
48°
29°
15
50°
27°
16
52°
32°
17
55°
39°
18
54°
40°
19
62°
39°
20
60°
34°
21
62°
39°
22
60°
41°
23
65°
25°
24
63°
22°
25
47°
22°
26
45°
25°
27
51°
39°
28
56°
41°
29
62°
42°
30
63°
43°
31
63°
39°
1
64°
30°
2
64°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Blue
Blue's December 2026 forecast shows daily high temperatures ranging from 45° to 65°, with overnight lows between 22° and 45°. The average high for December is 56° with an average low of 35°. 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 Blue. See also: January | February | March.