S
M
T
W
T
F
S
29
34°
19°
30
29°
12°
1
22°
11°
2
28°
19°
3
35°
19°
4
33°
18°
5
31°
17°
6
29°
13°
7
19°
11°
8
28°
16°
9
33°
17°
10
33°
16°
11
32°
16°
12
32°
15°
13
33°
16°
14
22°
12°
15
27°
12°
16
27°
9°
17
28°
5°
18
26°
0°
19
17°
-5°
20
14°
1°
21
16°
10°
22
27°
7°
23
27°
4°
24
21°
8°
25
22°
9°
26
26°
9°
27
26°
5°
28
24°
-4°
29
19°
-2°
30
13°
-5°
31
14°
-10°
1
13°
-2°
2
10°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cooperstown
Cooperstown's December 2026 forecast shows daily high temperatures ranging from 10° to 35°, with overnight lows between -10° and 19°. The average high for December is 25° with an average low of 9°. 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 Cooperstown. See also: January | February | March.
