S
M
T
W
T
F
S
29
46°
37°
30
48°
40°
1
51°
39°
2
51°
40°
3
50°
39°
4
50°
39°
5
48°
38°
6
49°
37°
7
47°
38°
8
46°
38°
9
49°
37°
10
48°
37°
11
46°
36°
12
45°
33°
13
43°
33°
14
42°
35°
15
44°
40°
16
50°
39°
17
50°
39°
18
49°
38°
19
50°
35°
20
50°
32°
21
42°
36°
22
44°
37°
23
45°
38°
24
44°
38°
25
45°
33°
26
46°
32°
27
43°
35°
28
42°
38°
29
47°
37°
30
47°
37°
31
48°
35°
1
45°
33°
2
46°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Derby
Derby's December 2026 forecast shows daily high temperatures ranging from 42° to 51°, with overnight lows between 32° and 40°. The average high for December is 47° with an average low of 37°. 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 Derby. See also: January | February | March.
