S
M
T
W
T
F
S
30
50°
39°
1
43°
37°
2
52°
28°
3
48°
36°
4
46°
41°
5
50°
41°
6
64°
39°
7
64°
45°
8
57°
32°
9
63°
34°
10
68°
41°
11
66°
34°
12
68°
46°
13
66°
54°
14
59°
34°
15
54°
27°
16
59°
37°
17
63°
55°
18
73°
39°
19
64°
32°
20
75°
48°
21
70°
61°
22
77°
59°
23
79°
64°
24
79°
64°
25
75°
64°
26
82°
64°
27
79°
66°
28
79°
48°
29
46°
34°
30
52°
28°
31
68°
28°
1
72°
37°
2
82°
54°
3
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Buffalo
Buffalo'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 Buffalo. See also: January | February | March.
