S
M
T
W
T
F
S
29
44°
35°
30
42°
34°
1
42°
34°
2
43°
35°
3
44°
36°
4
44°
38°
5
46°
38°
6
44°
39°
7
45°
39°
8
48°
38°
9
47°
34°
10
40°
33°
11
50°
33°
12
49°
35°
13
42°
35°
14
51°
32°
15
47°
29°
16
40°
25°
17
38°
31°
18
39°
34°
19
44°
33°
20
44°
34°
21
42°
34°
22
48°
33°
23
49°
34°
24
48°
37°
25
51°
26°
26
51°
25°
27
50°
24°
28
35°
26°
29
35°
32°
30
44°
31°
31
46°
33°
1
47°
35°
2
48°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Eastham
Eastham's December 2026 forecast shows daily high temperatures ranging from 35° to 51°, with overnight lows between 24° and 39°. The average high for December is 45° with an average low of 33°. 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 Eastham. See also: January | February | March.
