Italy weather in May
In May, popular resorts in Italy (Palermo, Catania, Cagliari, Sorrento, Bari) average 22°C by day and 14°C at night, and the sea is about 18°C. On average 37 mm of rain falls during the month.
That is 4°C warmer than in April, and in June days average 27°C.
It is warm, but often too cool for the beach, better for sightseeing. The sea is cool, swimming only for the hardy.
Warmest resorts in Italy in May
Italy weather in other months
See also
FAQ
Is it warm in Italy in May?
In May, popular resorts in Italy (Palermo, Catania, Cagliari, Sorrento, Bari) average 22°C by day and 14°C at night, and the sea is about 18°C. On average 37 mm of rain falls during the month. It is warm, but often too cool for the beach, better for sightseeing.
What is the sea temperature in Italy in May?
About 18°C on average. The warmest water is in Bari (19°C).
Where is it warmest in Italy in May?
The warmest place is Catania (24°C by day), followed by Bari (23°C) and Palermo (22°C).
Does it rain in Italy in May?
On average 37 mm of rain falls in the month. Rain happens, but usually in short showers.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.