16.05
sat
sat
Day
63°F
E 33 mph
Precip.
78%
78%
Night
63°F
SE 14 mph
Precip.
0%
0%
17.05
sun
sun
Day
64°F
NE 6 mph
Precip.
0%
0%
Night
64°F
E 5 mph
Precip.
0%
0%
18.05
mon
mon
Day
63°F
E 9 mph
Precip.
0%
0%
Night
64°F
E 11 mph
Precip.
0%
0%
19.05
tue
tue
Day
63°F
E 7 mph
Precip.
0%
0%
Night
64°F
SE 17 mph
Precip.
100%
100%
20.05
wed
wed
Day
64°F
E 1 mph
Precip.
0%
0%
Night
66°F
SE 7 mph
Precip.
0%
0%
21.05
thu
thu
Day
70°F
SE 9 mph
Precip.
0%
0%
Night
68°F
NE 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
70°F
SE 11 mph
Precip.
0%
0%
Night
68°F
NE 7 mph
Precip.
0%
0%
23.05
sat
sat
Day
70°F
SE 9 mph
Precip.
0%
0%
Night
68°F
E 6 mph
Precip.
0%
0%
24.05
sun
sun
Day
68°F
NW 9 mph
Precip.
0%
0%
Night
68°F
W 7 mph
Precip.
0%
0%
25.05
mon
mon
Day
68°F
NW 3 mph
Precip.
0%
0%
Night
68°F
SW 7 mph
Precip.
0%
0%
26.05
tue
tue
Day
68°F
E 2 mph
Precip.
0%
0%
Night
68°F
SE 8 mph
Precip.
0%
0%
27.05
wed
wed
Day
68°F
E 9 mph
Precip.
0%
0%
Night
68°F
E 6 mph
Precip.
0%
0%
28.05
thu
thu
Day
68°F
E 5 mph
Precip.
0%
0%
Night
70°F
SE 4 mph
Precip.
0%
0%
29.05
fri
fri
Day
70°F
N 4 mph
Precip.
0%
0%
Night
70°F
N 9 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 65.1°F. The highest and lowest sea temperatures during the month were 66.4°F and 63.7°F.
Air temperature in Ischia, °F
Precipitation total in Ischia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ischia
Ischia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ischia
Local time: 20:01
May 16, saturday
2100
63°F
E
24 mph
24 mph
May 17, sunday
0000
63°F
SE
14 mph
14 mph
0300
63°F
SE
7 mph
7 mph
0600
61°F
SW
7 mph
7 mph
0900
61°F
SW
9 mph
9 mph
1200
64°F
NE
6 mph
6 mph
1500
64°F
E
10 mph
10 mph
1800
64°F
E
9 mph
9 mph
