S
M
T
W
T
F
S
29
53°
45°
30
62°
45°
1
61°
44°
2
63°
42°
3
51°
37°
4
55°
37°
5
59°
44°
6
58°
40°
7
50°
37°
8
49°
33°
9
49°
36°
10
50°
31°
11
47°
29°
12
47°
30°
13
49°
28°
14
51°
30°
15
51°
36°
16
50°
38°
17
52°
39°
18
58°
33°
19
54°
28°
20
49°
26°
21
46°
26°
22
47°
29°
23
50°
31°
24
47°
28°
25
46°
26°
26
45°
27°
27
47°
27°
28
46°
28°
29
48°
32°
30
51°
31°
31
54°
27°
1
47°
23°
2
45°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Old Harmony
Old Harmony's December 2026 forecast shows daily high temperatures ranging from 45° to 63°, with overnight lows between 22° and 45°. The average high for December is 51° with an average low of 33°. 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 Old Harmony. See also: January | February | March.
