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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Journal weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Sardinia, the Mediterranean’s second-largest island, enjoys a typically hot-summer Mediterranean climate. The live forecast above shows current conditions for the island, with coastal breezes moderating inland heat and sea temperatures staying pleasant from late spring through early autumn.
What does Sardinia’s weather look like month by month?
Summers (June to August) are hot and dry, especially around Cagliari and Olbia, with daytime highs often above 30°C. Winters (December to February) are mild and wetter, particularly on the west coast. Spring and autumn bring comfortable warmth and fewer crowds – sardinia weather october and sardinia weather september often see sea temperatures around 22–24°C, ideal for swimming. Sardinia weather november and sardinia weather december turn cooler and rainier, though sunny spells remain common.
How reliable is a 14-day forecast for Sardinia?
For trip planning, a sardinia weather 14 days outlook gives a broad trend but can shift due to local winds like the mistral. For daily decisions, check the live forecast above. Sardinia weather olbia and sardinia weather cagliari often differ by a few degrees – Olbia is slightly cooler in summer thanks to the north-easterly breeze.
When is the best time to visit Sardinia for good weather?
Late May to early October offers the most reliable sunshine and warm seas. September is a favourite – less crowded, with sea temperatures still in the low 20s and lower risk of heatwaves than July or August.
Does it rain a lot in Sardinia during autumn?
Rainfall increases from October onwards, but Sardinia still averages 6–7 dry days per week in October. November and December are wetter, especially on western slopes, but many days remain partly sunny and mild.
Is Sardinia windy?
The mistral can bring strong north-westerly winds, especially in spring and autumn, particularly around the Strait of Bonifacio. Coastal areas near Olbia and the south-east tend to be more sheltered. Winds rarely disrupt travel but can feel fresh.
Sources
For a closer look at other Mediterranean destinations, see our Malta weather page or the 10-day UK forecast. If you are comparing by month, our Crete weather guide gives a similar seasonal pattern to Sardinia.