S
M
T
W
T
F
S
26
61°
51°
27
63°
55°
28
63°
53°
29
62°
51°
30
62°
50°
1
61°
50°
2
62°
51°
3
63°
53°
4
64°
56°
5
65°
55°
6
65°
56°
7
66°
54°
8
65°
56°
9
66°
58°
10
68°
59°
11
68°
59°
12
69°
57°
13
67°
58°
14
69°
60°
15
70°
60°
16
71°
61°
17
72°
60°
18
72°
58°
19
74°
57°
20
72°
58°
21
71°
60°
22
74°
61°
23
76°
60°
24
75°
57°
25
73°
57°
26
72°
58°
27
72°
58°
28
73°
59°
29
75°
59°
30
76°
63°
31
75°
64°
1
78°
62°
2
77°
61°
3
78°
63°
4
78°
63°
5
79°
64°
6
77°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Skiathos
Skiathos's May 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 50° and 68°. The average high for May is 70° with an average low of 58°. 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 Skiathos. See also: June | July | August.