S
M
T
W
T
F
S
29
45°
30°
30
46°
33°
1
51°
38°
2
50°
36°
3
52°
36°
4
54°
38°
5
55°
31°
6
43°
28°
7
44°
37°
8
54°
38°
9
53°
36°
10
48°
37°
11
50°
37°
12
53°
36°
13
45°
32°
14
42°
27°
15
39°
26°
16
39°
27°
17
40°
30°
18
45°
35°
19
51°
35°
20
50°
36°
21
52°
33°
22
42°
30°
23
43°
34°
24
51°
36°
25
38°
24°
26
38°
29°
27
41°
33°
28
44°
31°
29
54°
28°
30
52°
26°
31
41°
27°
1
41°
23°
2
42°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Heislerville
Heislerville's December 2026 forecast shows daily high temperatures ranging from 38° to 55°, with overnight lows between 20° and 38°. The average high for December is 47° with an average low of 32°. 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 Heislerville. See also: January | February | March.
