S
M
T
W
T
F
S
29
54°
42°
30
51°
41°
1
53°
41°
2
52°
40°
3
52°
41°
4
56°
41°
5
54°
40°
6
55°
38°
7
56°
40°
8
53°
39°
9
48°
37°
10
47°
39°
11
47°
30°
12
52°
31°
13
50°
36°
14
55°
38°
15
57°
39°
16
56°
37°
17
55°
33°
18
47°
36°
19
46°
40°
20
48°
37°
21
50°
28°
22
49°
26°
23
43°
28°
24
45°
32°
25
49°
35°
26
47°
34°
27
44°
32°
28
44°
27°
29
45°
28°
30
43°
25°
31
44°
26°
1
44°
29°
2
45°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Harden Flat
Harden Flat's December 2026 forecast shows daily high temperatures ranging from 43° to 57°, with overnight lows between 25° and 42°. The average high for December is 50° with an average low of 35°. 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 Harden Flat. See also: January | February | March.
