S
M
T
W
T
F
S
30
88°
72°
1
88°
69°
2
86°
68°
3
86°
70°
4
91°
72°
5
88°
70°
6
88°
71°
7
88°
74°
8
86°
73°
9
88°
72°
10
88°
69°
11
88°
72°
12
88°
73°
13
90°
72°
14
88°
73°
15
88°
68°
16
88°
69°
17
88°
73°
18
88°
70°
19
88°
70°
20
88°
66°
21
86°
67°
22
88°
69°
23
86°
68°
24
88°
69°
25
85°
66°
26
86°
64°
27
84°
63°
28
84°
64°
29
84°
63°
30
84°
64°
31
86°
69°
1
85°
72°
2
84°
66°
3
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Búfalo
Búfalo'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 Búfalo. See also: January | February | March.