Sardinia weather in May
May in Sardinia averages daytime highs of 22.4°C and nights around 13.2°C, with about 12 hours of sunshine a day. The sea averages 18.9°C: fresh but swimmable on a sunny afternoon. This is one of the wetter months, with about 9 rainy days and around 72 mm of rain, so pack a layer for showers, and the sun is strong (average peak UV 7), so sunscreen is essential.
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.
What to do in Sardinia in May
Sardinia in May: quick answers
May elsewhere on the island
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