World Resorts Italy Ischia Weather

Ischia weather in May

Weather in Ischia: May

Average day temperature: 67.3°F
Average night temperature: 63.6°F
Sea water temperature: 66.0°F
Number of sunny days: 20 days
Day length: 14.0 - 14.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 70°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during May were 66.5°F and 65.1°F.

Sea water temperature in Ischia in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 69.3°F and 65.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Ischia in May is 1.5 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.4 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 10.1.

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 55.0 °F
February 55.3 °F
March 57.5 °F
Rainiest months:
November 8 days
January 6 days
December 6 days
Windiest months:
January 11.9 mph
November 11.4 mph
February 11.3 mph

Ischia on a weather map

Ischia
+59°F
NW 6 mph
Feels like: +57°F
Precip.: 100%
Places in Italy:
Name
°F
+48°F
+54°F
+48°F
+48°F
+48°F
+52°F
+55°F
+52°F
+50°F
+50°F
+50°F
+45°F
+41°F
+54°F
+48°F
24 Hours Forecast
Ischia
Local time: 05:07
December 05, friday
0600
59°F
NW
6 mph
0900
59°F
NW
6 mph
1200
59°F
W
9 mph
1500
59°F
W
8 mph
1800
59°F
W
6 mph
2100
59°F
S
6 mph
December 06, saturday
0000
59°F
S
12 mph
0300
57°F
S
9 mph
Units of measurement: °C / °F