S
M
T
W
T
F
S
29
38°
28°
30
44°
21°
1
45°
20°
2
35°
24°
3
43°
18°
4
41°
17°
5
31°
14°
6
29°
15°
7
29°
16°
8
31°
20°
9
35°
23°
10
38°
22°
11
37°
21°
12
32°
21°
13
30°
20°
14
30°
18°
15
31°
11°
16
27°
8°
17
25°
12°
18
26°
24°
19
33°
24°
20
36°
20°
21
38°
21°
22
32°
25°
23
39°
26°
24
39°
22°
25
38°
20°
26
36°
21°
27
35°
22°
28
36°
24°
29
37°
25°
30
38°
25°
31
40°
21°
1
40°
20°
2
37°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Corning
Corning's December 2026 forecast shows daily high temperatures ranging from 25° to 45°, with overnight lows between 8° and 28°. The average high for December is 35° 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 Corning. See also: January | February | March.
