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