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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the PressHive weather desk. Data from national met services via Open-Meteo.
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Sardinia enjoys a classic Mediterranean climate, with hot, dry summers and mild, wetter winters. As the live forecast above shows, conditions on the island can vary considerably between the northern coast near Olbia and the southern capital, Cagliari, particularly during the shoulder months of October and November.
What is the weather like in Sardinia by month?
Sardinia’s weather is most settled from June through August, with daytime highs often exceeding 30°C along the coast and inland. September remains warm and pleasant, making it a popular time for beach holidays, while sardinia weather october sees a noticeable drop in temperature and an increase in rain, especially in the north. By November and sardinia weather december, daytime highs typically fall to around 15-18°C, with cooler nights and frequent Atlantic fronts bringing showers. Spring and early autumn offer the most balanced conditions for exploring the island’s interior and archaeological sites.
How does the weather differ between Olbia and Cagliari?
Sardinia weather olbia tends to be slightly cooler and windier than the south, as Olbia sits on the northeastern coast exposed to the Mistral wind. Sardinia weather cagliari is generally milder in winter and hotter in summer, thanks to its sheltered position on the southern Gulf. Both cities share the same basic Mediterranean pattern, but Cagliari often records a degree or two warmer than Olbia during the day.
What is the best month to visit Sardinia for good weather?
For reliably warm, dry conditions with fewer crowds, late May to early June or September are ideal. Sardinia weather september still offers sea temperatures around 24°C and long sunny days, making it a favourite for coastal holidays.
Can I get a reliable 14-day forecast for Sardinia?
A sardinia weather 14 days outlook can give a useful trend, but accuracy drops significantly after the first week. For planning trips, check the live forecast above for the week ahead and look at sardinia weather by month averages for longer-term decisions.
Does Sardinia get very windy?
Yes, particularly in the north and east during winter and spring. The Mistral wind can make conditions feel cooler than the thermometer suggests, especially around Olbia. Southern areas like Cagliari are more sheltered from these gusts.
Sources
For more on Mediterranean destinations, see our Rome Weather and Malta Weather guides, or browse the UK weather hub for local forecasts.