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