S
M
T
W
T
F
S
29
48°
39°
30
52°
42°
1
53°
41°
2
51°
41°
3
53°
40°
4
49°
39°
5
51°
37°
6
49°
39°
7
52°
38°
8
44°
35°
9
42°
33°
10
41°
30°
11
40°
35°
12
41°
34°
13
42°
33°
14
40°
28°
15
39°
29°
16
39°
30°
17
40°
30°
18
38°
35°
19
48°
34°
20
47°
26°
21
41°
26°
22
36°
27°
23
35°
28°
24
39°
29°
25
42°
26°
26
46°
21°
27
36°
21°
28
32°
22°
29
35°
22°
30
35°
28°
31
38°
30°
1
49°
23°
2
45°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brightwaters
Brightwaters's December 2026 forecast shows daily high temperatures ranging from 32° to 53°, with overnight lows between 20° and 42°. The average high for December is 43° with an average low of 31°. 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 Brightwaters. See also: January | February | March.