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