S
M
T
W
T
F
S
29
38°
26°
30
40°
28°
1
39°
27°
2
38°
28°
3
40°
26°
4
39°
25°
5
39°
25°
6
36°
26°
7
39°
24°
8
36°
22°
9
30°
23°
10
32°
23°
11
34°
22°
12
33°
22°
13
32°
14°
14
33°
10°
15
28°
9°
16
21°
10°
17
22°
9°
18
21°
18°
19
28°
17°
20
32°
16°
21
29°
10°
22
26°
12°
23
27°
5°
24
26°
10°
25
22°
12°
26
25°
6°
27
23°
6°
28
18°
7°
29
23°
7°
30
20°
10°
31
22°
16°
1
31°
14°
2
32°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shirley Mills
Shirley Mills's December 2026 forecast shows daily high temperatures ranging from 18° to 40°, with overnight lows between 5° and 28°. The average high for December is 30° with an average low of 16°. 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 Shirley Mills. See also: January | February | March.