S
M
T
W
T
F
S
26
69°
48°
27
69°
53°
28
65°
55°
29
63°
46°
30
59°
40°
1
54°
43°
2
54°
38°
3
63°
38°
4
75°
45°
5
65°
46°
6
58°
44°
7
62°
40°
8
66°
49°
9
73°
50°
10
67°
52°
11
71°
43°
12
77°
41°
13
65°
47°
14
65°
43°
15
69°
42°
16
75°
59°
17
84°
61°
18
84°
66°
19
84°
65°
20
70°
58°
21
68°
52°
22
66°
56°
23
69°
57°
24
72°
52°
25
79°
56°
26
81°
66°
27
78°
62°
28
82°
59°
29
78°
57°
30
75°
56°
31
73°
56°
1
78°
59°
2
76°
56°
3
77°
60°
4
80°
61°
5
79°
62°
6
81°
59°
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 72° to 82°, with overnight lows between 52° and 66°. The average high for May is 78° with an average low of 59°. 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.