S
M
T
W
T
F
S
29
44°
30°
30
47°
34°
1
49°
33°
2
47°
33°
3
49°
31°
4
45°
30°
5
46°
28°
6
44°
31°
7
47°
30°
8
39°
26°
9
36°
25°
10
36°
23°
11
35°
27°
12
36°
25°
13
38°
24°
14
36°
19°
15
34°
19°
16
34°
22°
17
34°
20°
18
33°
26°
19
41°
25°
20
40°
18°
21
35°
18°
22
32°
18°
23
31°
17°
24
34°
20°
25
34°
17°
26
39°
10°
27
31°
10°
28
26°
11°
29
30°
9°
30
28°
16°
31
30°
22°
1
43°
15°
2
40°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sheffield
Sheffield's December 2026 forecast shows daily high temperatures ranging from 26° to 49°, with overnight lows between 9° and 34°. The average high for December is 38° with an average low of 22°. 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 Sheffield. See also: January | February | March.
