S
M
T
W
T
F
S
29
60°
34°
30
56°
27°
1
44°
24°
2
45°
29°
3
56°
32°
4
51°
32°
5
48°
30°
6
47°
26°
7
43°
21°
8
42°
24°
9
48°
28°
10
50°
31°
11
53°
30°
12
56°
30°
13
52°
29°
14
47°
25°
15
49°
25°
16
50°
22°
17
44°
15°
18
41°
13°
19
42°
14°
20
37°
18°
21
42°
24°
22
45°
18°
23
44°
21°
24
47°
18°
25
43°
22°
26
52°
26°
27
54°
25°
28
49°
22°
29
45°
22°
30
44°
16°
31
43°
14°
1
39°
19°
2
42°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Buffalo
Buffalo's December 2026 forecast shows daily high temperatures ranging from 37° to 60°, with overnight lows between 13° and 34°. The average high for December is 47° with an average low of 24°. 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.
