S
M
T
W
T
F
S
26
52°
39°
27
52°
41°
28
55°
43°
29
57°
46°
30
57°
46°
1
59°
45°
2
57°
46°
3
55°
41°
4
54°
41°
5
53°
42°
6
55°
42°
7
54°
41°
8
54°
41°
9
58°
42°
10
59°
47°
11
62°
48°
12
61°
47°
13
58°
43°
14
57°
48°
15
58°
45°
16
56°
44°
17
56°
43°
18
57°
43°
19
56°
44°
20
57°
43°
21
56°
45°
22
62°
48°
23
59°
44°
24
59°
49°
25
63°
50°
26
62°
50°
27
64°
49°
28
66°
51°
29
65°
51°
30
65°
49°
31
66°
47°
1
63°
49°
2
63°
46°
3
62°
45°
4
66°
51°
5
65°
52°
6
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rotherham
Rotherham's May 2026 forecast shows daily high temperatures ranging from 52° to 66°, with overnight lows between 39° and 52°. The average high for May is 59° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Rotherham. See also: June | July | August.