S
M
T
W
T
F
S
29
30°
22°
30
31°
25°
1
36°
24°
2
36°
24°
3
35°
17°
4
36°
14°
5
31°
17°
6
32°
19°
7
31°
19°
8
30°
21°
9
33°
22°
10
34°
18°
11
35°
14°
12
23°
18°
13
35°
20°
14
36°
20°
15
35°
18°
16
Hist. Avg.
24°
8°
17
Hist. Avg.
24°
8°
18
Hist. Avg.
24°
7°
19
Hist. Avg.
23°
7°
20
Hist. Avg.
23°
7°
21
Hist. Avg.
23°
6°
22
Hist. Avg.
23°
6°
23
Hist. Avg.
22°
6°
24
Hist. Avg.
22°
6°
25
Hist. Avg.
22°
5°
26
Hist. Avg.
22°
5°
27
Hist. Avg.
22°
5°
28
Hist. Avg.
22°
4°
29
Hist. Avg.
22°
4°
30
Hist. Avg.
22°
4°
31
Hist. Avg.
22°
4°
1
Hist. Avg.
21°
4°
2
Hist. Avg.
21°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Buffalo
Buffalo's December 2026 forecast shows daily high temperatures ranging from 23° to 36°, with overnight lows between 14° and 25°. The average high for December is 33° with an average low of 20°. 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.
