S
M
T
W
T
F
S
29
50°
37°
30
53°
36°
1
52°
34°
2
49°
33°
3
43°
33°
4
48°
32°
5
49°
34°
6
44°
32°
7
39°
26°
8
36°
23°
9
35°
23°
10
39°
27°
11
41°
32°
12
43°
28°
13
41°
27°
14
36°
21°
15
37°
24°
16
39°
29°
17
42°
27°
18
40°
23°
19
38°
18°
20
35°
17°
21
32°
16°
22
31°
22°
23
36°
25°
24
37°
24°
25
36°
14°
26
35°
10°
27
31°
11°
28
30°
12°
29
30°
14°
30
31°
22°
31
32°
15°
1
34°
10°
2
30°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cayuga
Cayuga's December 2026 forecast shows daily high temperatures ranging from 30° to 53°, with overnight lows between 8° and 37°. The average high for December is 39° with an average low of 23°. 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 Cayuga. See also: January | February | March.