S
M
T
W
T
F
S
29
51°
45°
30
58°
40°
1
60°
38°
2
55°
39°
3
60°
32°
4
59°
31°
5
46°
32°
6
45°
30°
7
45°
31°
8
46°
38°
9
47°
37°
10
58°
36°
11
51°
34°
12
46°
33°
13
45°
32°
14
45°
31°
15
44°
27°
16
44°
25°
17
41°
28°
18
41°
37°
19
49°
39°
20
50°
34°
21
54°
33°
22
46°
42°
23
56°
43°
24
56°
39°
25
55°
38°
26
54°
37°
27
50°
39°
28
53°
40°
29
54°
41°
30
55°
41°
31
56°
38°
1
56°
36°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rehoboth Beach
Rehoboth Beach's December 2026 forecast shows daily high temperatures ranging from 41° to 60°, with overnight lows between 25° and 45°. The average high for December is 51° with an average low of 36°. 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 Rehoboth Beach. See also: January | February | March.
