S
M
T
W
T
F
S
29
45°
35°
30
46°
40°
1
49°
41°
2
50°
41°
3
50°
38°
4
49°
37°
5
46°
40°
6
49°
40°
7
49°
39°
8
47°
37°
9
49°
41°
10
50°
40°
11
49°
36°
12
44°
34°
13
43°
36°
14
43°
36°
15
44°
34°
16
42°
34°
17
42°
35°
18
43°
33°
19
43°
39°
20
49°
35°
21
48°
33°
22
42°
34°
23
48°
39°
24
48°
34°
25
49°
36°
26
48°
38°
27
47°
38°
28
43°
37°
29
46°
37°
30
47°
38°
31
46°
38°
1
44°
37°
2
43°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Romiley
Romiley's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 33° and 41°. The average high for December is 46° 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 Romiley. See also: January | February | March.
