S
M
T
W
T
F
S
29
63°
44°
30
64°
38°
1
55°
31°
2
48°
29°
3
52°
39°
4
57°
41°
5
53°
38°
6
48°
33°
7
49°
28°
8
46°
27°
9
46°
27°
10
47°
32°
11
51°
30°
12
57°
36°
13
54°
34°
14
51°
31°
15
50°
32°
16
47°
32°
17
48°
29°
18
45°
26°
19
46°
23°
20
43°
25°
21
46°
30°
22
52°
30°
23
46°
26°
24
44°
24°
25
44°
26°
26
45°
28°
27
44°
26°
28
46°
27°
29
45°
27°
30
45°
28°
31
46°
24°
1
44°
24°
2
44°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hartshorne
Hartshorne's December 2026 forecast shows daily high temperatures ranging from 43° to 64°, with overnight lows between 23° and 44°. The average high for December is 49° with an average low of 30°. 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 Hartshorne. See also: January | February | March.