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