Oristanese & Sinis weather in May

May in Oristanese & Sinis averages daytime highs of 23.4°C and nights around 12.6°C, with about 12 hours of sunshine a day. The sea averages 18.7°C: fresh but swimmable on a sunny afternoon. This is one of the wetter months, with about 10 rainy days and around 83 mm of rain, so pack a layer for showers, and the sun is strong (average peak UV 7), so sunscreen is essential.

Daytime high

23.4°C

Nights around 12.6°C

Sea temperature

18.7°C

Typical max waves 1 m

Rain

10 days

About 83 mm over the month

Sunshine

12 hrs/day

Average bright sunshine

UV index

Average daily peak

Wind

19 km/h

Average daily maximum

Weather data by Open-Meteo.com (CC BY 4.0). Figures are ten-year averages from the historical record.

What May feels like

May might be the connoisseur's month. The island is green, the days are long and warm, and two of Sardinia's great festivals arrive: Cagliari's Sant'Efisio procession on 1 May and Sassari's Cavalcata Sarda. Brave swimmers open their season in the shallower bays while walkers get the last comfortable big-mountain days before summer. Beaches are gloriously underpopulated. In the Oristanese and Sinis it is lagoons and flamingos, quartz-sand beaches and the Phoenician ruins of Tharros.

What to do in Oristanese & Sinis in May

Flamingos and Tharros

The Sinis lagoons fill with flamingos, and the Phoenician ruins of Tharros sit right on the peninsula's tip: pair them on one slow day.

Nature & Wildlife Archaeology & Nuraghi Oristanese & Sinis

Hit the trails

Mild temperatures are ideal walking weather, from coastal paths to proper mountain days. Views are sharp and the car parks are quiet.

Hikes Nature & Wildlife

Scenic drives and day trips

Comfortable driving weather with clear air: string together a coast road, a mountain pass and a long lunch.

Driving Routes & Scenic Roads Day Trips

Towns and villages

Wander stone villages and market towns at a temperature that lets you linger, without summer's crowds or heat.

Towns & Villages Local Markets & Food Producers

Go back 3,000 years

Sardinia's nuraghi, tombs and ancient sites are open-air attractions, and the shoulder seasons are the kindest time to explore them.

Archaeology & Nuraghi History

Oristanese & Sinis in May: quick answers

How hot is Oristanese & Sinis in May?

Daytime highs in Oristanese & Sinis average 23.4°C in May, with nights around 12.6°C and roughly 12 hours of sunshine a day (ten-year average).

Is the sea warm enough to swim in May?

The sea around Oristanese & Sinis averages 18.7°C in May: fresh but swimmable on a sunny afternoon.

Does it rain much in Oristanese & Sinis in May?

Oristanese & Sinis sees about 10 days with rain in May, totalling around 83 mm for the month.

May elsewhere on the island

All of Sardinia Gallura Nurra & Alghero Sassari & Logudoro Barbagia & Nuorese Ogliastra Sulcis-Iglesiente Cagliari & Campidano

Planning a trip? Browse our Oristanese & Sinis guides or see today's live weather.