S
M
T
W
T
F
S
29
58°
39°
30
58°
41°
1
60°
50°
2
61°
51°
3
64°
49°
4
60°
51°
5
60°
50°
6
59°
49°
7
59°
48°
8
58°
43°
9
57°
38°
10
58°
39°
11
73°
50°
12
73°
38°
13
72°
35°
14
57°
38°
15
56°
36°
16
57°
35°
17
56°
45°
18
59°
52°
19
70°
52°
20
70°
51°
21
72°
49°
22
72°
52°
23
71°
52°
24
71°
36°
25
72°
34°
26
57°
35°
27
55°
40°
28
59°
49°
29
66°
51°
30
70°
51°
31
71°
52°
1
71°
48°
2
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Blue Mountain Beach
Blue Mountain Beach's December 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 34° and 52°. The average high for December is 64° 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 Blue Mountain Beach. See also: January | February | March.
