Sicily weather in May
Sicily averages 22°C by day and 15°C at night in May, with the sea at 19°C and about 61 mm of rain in the month. It warms up by about 5°C into June.
Day
22°C
Night
15°C
Sea
19°C
Rain
61 mm
Flight from London
2½h
What May feels like
May is warm in Sicily: T-shirt days, a light layer for evenings.
The sea is 19°C: refreshing, and chilly for most people after a few minutes.
Rain is occasional: about 61 mm in the month.
That is 4°C warmer than an average May day in London.
Of the 56 sun destinations we track, Sicily is the #53 warmest in May, and #22 of 23 within 5½ hours of the UK.
Going to Sicily in May?
Share the TikToks and Instagram Reels you've saved for Sicily to Dream Trip. It finds the places, pins them on a map and builds your days around them.
Want it warmer in May?
These are hotter than Sicily this month for at most an hour and a half more flying:
Sicily weather by month
May is highlighted. Compare with April and June, or see the full year in Sicily.
Sicily in May: quick answers
Is Sicily hot in May?
May is warm in Sicily: T-shirt days, a light layer for evenings. Average highs are 22°C and lows 15°C.
Can you swim in Sicily in May?
The sea is 19°C: refreshing, and chilly for most people after a few minutes.
Does it rain in Sicily in May?
Rain is occasional: about 61 mm in the month.
What is the warmest month in Sicily?
July, at an average high of 31°C. The coolest is January at 15°C.
How long is the flight to Sicily from the UK?
About 2½h direct from London, estimated from the 1,835 km distance. Check your airline for exact times.
Still choosing? See where is hot in May for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in May from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Sicily in May?
Save the restaurants, beaches and views you find on TikTok and Instagram for Sicily straight to a map, then let Dream Trip turn them into a day-by-day plan.
