S
M
T
W
T
F
S
26
50°
37°
27
45°
41°
28
52°
34°
29
52°
28°
30
50°
30°
1
54°
32°
2
66°
28°
3
69°
52°
4
58°
31°
5
47°
30°
6
48°
33°
7
58°
32°
8
59°
31°
9
63°
37°
10
64°
38°
11
63°
39°
12
68°
43°
13
67°
43°
14
66°
42°
15
65°
42°
16
69°
42°
17
68°
46°
18
69°
48°
19
66°
48°
20
66°
45°
21
62°
40°
22
62°
40°
23
63°
41°
24
63°
40°
25
64°
41°
26
63°
42°
27
63°
42°
28
64°
43°
29
65°
52°
30
65°
48°
31
66°
49°
1
73°
53°
2
75°
54°
3
77°
55°
4
77°
56°
5
76°
56°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Royalton
Royalton's May 2026 forecast shows daily high temperatures ranging from 47° to 77°, with overnight lows between 30° and 57°. The average high for May is 65° with an average low of 44°. 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 Royalton. See also: June | July | August.