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