Cagliari, Sardinia 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
Good
Best time to visit: June – September
What is the weather like in Cagliari, Sardinia in May?
In May, Cagliari, Sardinia is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 29 mm. All in all, May is a good month for a holiday in Cagliari, Sardinia.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 18 min06:11 – 20:28
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 42 %on average
- Hot days
- 1 day30 °C or more
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 35 %73 %
- Seaweight 25 %10 %
- Sunshineweight 20 %97 %
- Few rainy daysweight 20 %89 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Cagliari, Sardinia in May: quick answers
Is Cagliari, Sardinia hot in May?
Warm rather than hot: in May, daytime highs in Cagliari, Sardinia average 23 °C and nights cool to about 14 °C.
Can you swim in Cagliari, Sardinia in May?
Only if you don't mind cold water: in May the sea averages just 17.7 °C. Comfortable swimming is possible from June to October.
Does it rain much in Cagliari, Sardinia in May?
Rain falls on about 6 days, adding up to 29 mm.
Cagliari, Sardinia month by month
The whole year in Cagliari, SardiniaAll destinations: ItalySardinia weather in MayWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)