S
M
T
W
T
F
S
29
37°
24°
30
35°
23°
1
36°
22°
2
35°
23°
3
37°
25°
4
42°
26°
5
41°
29°
6
39°
30°
7
34°
30°
8
34°
31°
9
35°
27°
10
34°
26°
11
46°
30°
12
40°
28°
13
41°
28°
14
42°
21°
15
34°
20°
16
32°
25°
17
33°
21°
18
34°
31°
19
37°
32°
20
40°
33°
21
42°
33°
22
44°
32°
23
43°
34°
24
45°
34°
25
47°
27°
26
47°
26°
27
36°
24°
28
34°
27°
29
37°
30°
30
41°
32°
31
43°
35°
1
44°
32°
2
45°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in State College
State College's December 2026 forecast shows daily high temperatures ranging from 32° to 47°, with overnight lows between 20° and 35°. The average high for December is 39° with an average low of 28°. 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 State College. See also: January | February | March.
