S
M
T
W
T
F
S
30
39°
28°
1
36°
26°
2
38°
29°
3
36°
29°
4
36°
33°
5
37°
28°
6
54°
28°
7
50°
37°
8
52°
39°
9
50°
41°
10
63°
36°
11
61°
45°
12
49°
37°
13
50°
34°
14
40°
35°
15
61°
39°
16
54°
36°
17
48°
36°
18
40°
33°
19
45°
31°
20
45°
29°
21
38°
28°
22
36°
24°
23
41°
28°
24
41°
29°
25
39°
29°
26
42°
31°
27
34°
27°
28
31°
20°
29
36°
24°
30
39°
24°
31
39°
23°
1
34°
25°
2
35°
30°
3
40°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Quincy
Quincy'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 Quincy. See also: January | February | March.
