S
M
T
W
T
F
S
29
61°
44°
30
59°
48°
1
62°
48°
2
58°
47°
3
60°
48°
4
59°
48°
5
57°
42°
6
56°
47°
7
55°
41°
8
56°
46°
9
55°
44°
10
56°
47°
11
60°
48°
12
59°
47°
13
61°
47°
14
61°
46°
15
60°
46°
16
56°
45°
17
55°
47°
18
57°
46°
19
58°
47°
20
59°
47°
21
55°
46°
22
55°
47°
23
59°
48°
24
60°
46°
25
55°
41°
26
55°
39°
27
57°
41°
28
56°
40°
29
58°
41°
30
59°
47°
31
57°
42°
1
60°
41°
2
57°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Berkeley
Berkeley's December 2026 forecast shows daily high temperatures ranging from 55° to 62°, with overnight lows between 39° and 48°. The average high for December is 58° with an average low of 45°. 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 Berkeley. See also: January | February | March.
