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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Sardinia’s weather is a Mediterranean mix of hot, dry summers and mild, wet winters, with the live forecast above showing current conditions across the island.
What is the typical weather pattern in Sardinia?
Sardinia enjoys a classic Mediterranean climate, meaning long, sunny summers from June to September and cooler, rainier winters from December to February. Coastal areas like Alghero and Cagliari stay milder year-round than the mountainous interior.
- Summers (June–August): average highs of 28–32°C, low humidity, and almost no rain.
- Autumn (September–November): warm into October, then cooling with increasing rain, especially in November.
- Winter (December–February): daytime highs around 12–16°C, rain common, snow rare except on peaks.
- Spring (March–May): pleasant 18–24°C, blooming landscapes, and moderate rainfall.
How does the weather vary by month and region?
If you’re checking sardinia weather by month, October and November bring the transition from summer to winter, while December is cool and damp. The north-west around Alghero can be windier, and the south tends to be slightly warmer.
- Sardinia weather October: warm 22–26°C highs, sea still swimmable, but occasional rain.
- Sardinia weather November: cooler 16–20°C, more frequent showers, fewer crowds.
- Sardinia weather December: coolest month, 12–16°C, rain likely, but sunny spells remain.
- Sardinia weather Alghero: milder winters, breezy summers; check the live forecast for gusty conditions.
- Sardinia weather 14 days and 30 days: short-term forecasts are reliable; long-range outlooks give general trends only.
For the best chance of settled weather, aim for late spring or early autumn. For a broader picture of conditions across Australia, visit our Australia weather hub or see Perth Weather for a similar Mediterranean climate comparison.
What is the sea temperature in Sardinia for swimming?
Sea temperatures peak at 24–26°C in August, staying swimmable through October at 20–22°C. By November it drops to 17–19°C, and winter months are too cool for most swimmers.
Does Sardinia get extreme weather like storms?
Severe storms are rare but can occur in autumn and winter, especially in November. The island is not prone to cyclones; heavy rain may cause local flooding, but conditions usually clear quickly.
Should I check a 30-day forecast for Sardinia?
A 30-day forecast gives general trends (warmer or cooler than average) but is not reliable for daily plans. Stick to the 7-to-14-day outlook for accurate sardinia weather planning.