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