S
M
T
W
T
F
S
30
43°
34°
1
44°
33°
2
40°
32°
3
42°
30°
4
43°
24°
5
31°
21°
6
42°
29°
7
43°
26°
8
36°
22°
9
33°
16°
10
46°
32°
11
38°
28°
12
36°
24°
13
42°
24°
14
33°
20°
15
29°
18°
16
32°
23°
17
47°
23°
18
50°
29°
19
58°
31°
20
38°
28°
21
46°
28°
22
38°
24°
23
38°
32°
24
47°
35°
25
50°
29°
26
29°
21°
27
31°
24°
28
34°
20°
29
45°
31°
30
33°
27°
31
33°
26°
1
34°
21°
2
31°
20°
3
31°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Boynton Beach
Boynton Beach's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Boynton Beach. See also: January | February | March.
