World Resorts Italy Ischia Weather

Ischia Sea Temperature in May

Average sea water temperature in May:
+66.0°F
Minimum sea water temperature in May: 72.5°F
Maximum sea water temperature in May: 61.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 66.0°F. The highest and lowest sea temperatures during the month were 69.6°F and 63.7°F.

Monthly sea water temperature in Ischia, °F

Which Italy resorts have warmest sea in May?

Place name May 2026 May 2025
Cefalu 66.6°F 67.4°F
Sicily 66.6°F 67.1°F
Scalea 66.3°F 67.5°F
Padova 66.2°F 68.0°F
Abano Terme 66.2°F 68.0°F
Recco 66.2°F 66.7°F
Camogli 66.2°F 66.6°F
Portofino 66.1°F 66.6°F
Santa Margherita Ligure 66.1°F 66.6°F
La Spezia 66.1°F 66.6°F
Lampedusa 66.1°F 67.2°F
Riomaggiore 66.1°F 66.6°F
Rapallo 66.1°F 66.6°F
Viareggio 66.1°F 66.9°F
Forte dei Marmi 66.0°F 66.7°F
Venice 66.0°F 67.3°F
Genoa 66.0°F 66.7°F
Lerici 66.0°F 66.6°F
Palermo 66.0°F 66.8°F
Cagliari 66.0°F 66.5°F

Best time for vacation in Ischia

Sunniest months:
July 28 days
August 27 days
June 26 days
Warmest months:
August 82.3 °F
July 81.5 °F
September 77.0 °F
Warmest sea temp:
August 80.5 °F
July 79.4 °F
September 77.2 °F
Coldest months:
January 55.1 °F
February 55.4 °F
March 57.4 °F
Rainiest months:
November 8 days
January 6 days
December 5 days
Windiest months:
January 12.1 mph
February 11.4 mph
November 11.4 mph

Ischia on a weather map

Ischia
+70°F
E 4 mph
Feels like: +70°F
Precip.: 0%
Places in Italy:
Name
°F
+72°F
+73°F
+68°F
+75°F
+64°F
+72°F
+72°F
+66°F
+73°F
+73°F
+66°F
+59°F
+64°F
+73°F
24 Hours Forecast
Ischia
Local time: 19:53
May 27, wednesday
2100
70°F
E
4 mph
May 28, thursday
0000
70°F
NE
3 mph
0300
70°F
NE
3 mph
0600
70°F
NW
2 mph
0900
70°F
NW
8 mph
1200
70°F
N
7 mph
1500
72°F
NE
8 mph
1800
72°F
S
11 mph
Units of measurement: °C / °F