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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
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Sardinia enjoys a classic Mediterranean climate with hot, dry summers and mild, wet winters. The best months for Canadian travellers are May through June and September through October, when temperatures are pleasant for exploring the coast and interior without the peak-season heat.
What is the weather like in Sardinia year round?
Sardinia weather by month shows a clear pattern: summers (June to August) are hot and sunny, with daytime highs often reaching 30–35°C along the coast and even higher inland. Winters (December to February) are mild, with highs around 12–16°C and most rainfall occurring between November and March. Spring and autumn offer the most comfortable conditions for hiking and sightseeing, with temperatures in the 20–25°C range. Sea temperatures are warm enough for swimming from June through October.
When should Canadian travellers plan a trip?
For a classic beach holiday, July and August deliver guaranteed sun but also crowds and higher prices. Snowbirds and March-break travellers will find late April and May ideal: fewer tourists, wildflowers in bloom, and daytime highs around 20–24°C. If you are considering sardinia weather october or sardinia weather november, expect mild days (18–22°C in October, dropping to 14–18°C in November) with increasing rain. The shoulder seasons offer excellent value for accommodation and flights. For those checking sardinia weather 14 days before departure, the forecast is generally reliable for planning day trips to Alghero or the Costa Smeralda.
What is the weather like in Sardinia in September?
Sardinia weather september is excellent: warm days around 26–28°C, sea temperatures still near 24°C, and fewer crowds than August. It is one of the best months for a balanced beach-and-culture trip.
How does Sardinia weather in December compare to Canada?
Sardinia weather december is mild compared to most of Canada, with highs of 14–16°C and lows around 8°C. Rain is common, but sunny days still occur. It is a quiet, low-cost time to visit historic sites like the Nuragic ruins.
Is the weather in Alghero different from the rest of Sardinia?
Sardinia weather alghero is similar to the northwest coast: slightly cooler in summer due to sea breezes, and a bit windier. Winters are mild and wet, with average highs around 14°C in January.
Sources
Explore more Canadian travel weather at our Canada weather hub, or check conditions in Toronto and Vancouver before your next trip.