Palermo, Sicily weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Excellent
Best time to visit: April – June, September – October
What is the weather like in Palermo, Sicily in May?
In May, Palermo, Sicily is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 41 mm. All in all, May is an excellent month for a holiday in Palermo, Sicily.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 12 min05:56 – 20:09
- UV index
- 10 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 40 %on average
- Hot days
- 1 day30 °C or more
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %88 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Palermo, Sicily in May: quick answers
Is Palermo, Sicily hot in May?
Warm rather than hot: in May, daytime highs in Palermo, Sicily average 23 °C and nights cool to about 16 °C.
Can you swim in Palermo, Sicily in May?
Only if you don't mind cold water: in May the sea averages just 18.7 °C. Comfortable swimming is possible from June to October.
Does it rain much in Palermo, Sicily in May?
Rain falls on about 6 days, adding up to 41 mm.
Palermo, Sicily month by month
The whole year in Palermo, SicilyAll destinations: Italy
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)