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