Sun, sea & sand

Olbia, Sardinia weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

54

Holiday weather in May

Fair

Best time to visit: June – September

Air temperature22°CNight 15°
Sea temperature17.4°Cfresh
Sunshine10hrs / dayof 14.4 h daylight
Rainy days5days / month37 mm

What is the weather like in Olbia, Sardinia in May?

In May, Olbia, Sardinia is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 17.4 °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 5 days, adding up to 37 mm. All in all, May is a so-so month for a holiday in Olbia, Sardinia.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score355490
Day18°22°26°
Night11°15°19°
Sea15°17°21°
Sun9 h10 h12 h
Rain days752

More details for May

Daylight
14 h 26 min06:05 – 20:31
UV index
9 · very highclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
25 km/haverage daily peak
Cloud cover
43 %on average
Hot days
0 days30 °C or more
Time zone
UTC+2Europe/Rome

How the score comes together

  • Temperatureweight 35 %42 %
  • Seaweight 25 %6 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %91 %

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

Olbia, Sardinia in May: quick answers

Is Olbia, Sardinia hot in May?

Warm rather than hot: in May, daytime highs in Olbia, Sardinia average 22 °C and nights cool to about 15 °C.

Can you swim in Olbia, Sardinia in May?

Only if you don't mind cold water: in May the sea averages just 17.4 °C. Comfortable swimming is possible from June to October.

Does it rain much in Olbia, Sardinia in May?

Rain falls on about 5 days, adding up to 37 mm.

Olbia, Sardinia month by month

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)