S
M
T
W
T
F
S
29
39°
22°
30
41°
27°
1
44°
30°
2
42°
28°
3
44°
29°
4
48°
32°
5
49°
23°
6
36°
21°
7
36°
28°
8
45°
32°
9
44°
30°
10
41°
31°
11
45°
31°
12
46°
28°
13
38°
24°
14
36°
20°
15
33°
19°
16
32°
20°
17
35°
24°
18
41°
28°
19
45°
28°
20
43°
30°
21
45°
27°
22
35°
25°
23
37°
25°
24
44°
29°
25
32°
14°
26
32°
15°
27
33°
20°
28
32°
27°
29
46°
22°
30
45°
20°
31
34°
16°
1
34°
16°
2
33°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Berwick
Berwick's December 2026 forecast shows daily high temperatures ranging from 32° to 49°, with overnight lows between 13° and 32°. The average high for December is 40° with an average low of 24°. 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 Berwick. See also: January | February | March.
