S
M
T
W
T
F
S
29
64°
46°
30
69°
39°
1
59°
45°
2
58°
42°
3
70°
34°
4
69°
34°
5
55°
35°
6
57°
41°
7
60°
38°
8
58°
36°
9
58°
35°
10
57°
33°
11
55°
33°
12
54°
34°
13
55°
34°
14
56°
35°
15
57°
36°
16
57°
44°
17
58°
36°
18
64°
38°
19
57°
38°
20
57°
35°
21
56°
34°
22
56°
40°
23
57°
39°
24
59°
35°
25
54°
32°
26
53°
33°
27
54°
33°
28
53°
37°
29
53°
42°
30
59°
30°
31
54°
28°
1
Hist. Avg.
54°
32°
2
Hist. Avg.
54°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Roundhill
Roundhill's December 2026 forecast shows daily high temperatures ranging from 53° to 70°, with overnight lows between 28° and 46°. The average high for December is 58° with an average low of 36°. 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 Roundhill. See also: January | February | March.
