S
M
T
W
T
F
S
29
34°
14°
30
29°
13°
1
28°
14°
2
30°
21°
3
38°
25°
4
30°
22°
5
28°
17°
6
28°
11°
7
27°
11°
8
28°
12°
9
32°
11°
10
35°
12°
11
37°
11°
12
38°
16°
13
36°
17°
14
32°
22°
15
27°
20°
16
31°
8°
17
27°
19°
18
26°
21°
19
28°
22°
20
30°
19°
21
32°
8°
22
28°
9°
23
25°
9°
24
29°
14°
25
25°
24°
26
30°
16°
27
33°
6°
28
30°
17°
29
21°
7°
30
28°
7°
31
22°
11°
1
28°
21°
2
31°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shelley
Shelley's December 2026 forecast shows daily high temperatures ranging from 21° to 38°, with overnight lows between 6° and 25°. The average high for December is 30° 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 Shelley. See also: January | February | March.
