S
M
T
W
T
F
S
29
43°
34°
30
45°
34°
1
47°
33°
2
44°
33°
3
43°
32°
4
46°
33°
5
46°
33°
6
47°
26°
7
37°
26°
8
43°
29°
9
44°
22°
10
32°
25°
11
36°
29°
12
37°
27°
13
35°
28°
14
39°
28°
15
41°
27°
16
41°
30°
17
44°
28°
18
43°
27°
19
38°
26°
20
39°
27°
21
31°
18°
22
33°
20°
23
31°
17°
24
30°
16°
25
29°
10°
26
38°
8°
27
31°
10°
28
23°
11°
29
24°
11°
30
25°
15°
31
43°
14°
1
41°
13°
2
26°
14°
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 23° to 47°, with overnight lows between 8° and 34°. The average high for December is 38° 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 Berwick. See also: January | February | March.
