Corsica (Corse in French) is France's largest island and the fourth largest in the Mediterranean — a dramatic collision of granite peaks, ancient maquis scrubland, crystalline bays, and a fiercely proud culture that has absorbed Genoese, Moorish, and French influences while remaining unmistakably its own. This is the birthplace of Napoleon Bonaparte, home to the GR20 — widely regarded as Europe's toughest long-distance trail — and the source of some of the finest charcuterie and cheese in France.
Corsica enjoys a typical Mediterranean climate on the coast — hot, dry summers and mild, wetter winters — overlaid with a distinct mountain climate in the island's granite interior. The coast averages 300+ sunshine days per year. Sea temperatures range from 14°C in February to 26°C in August. The mountain spine (Monte Cinto, 2,706 m) holds snow from November to May–June. The island sits at a meteorological crossroads where Atlantic storms from the northwest and warm African air from the southeast create abrupt weather changes, particularly above 1,000 m. Wildfire risk is highest July–September when the maquis scrubland is extremely dry.
Best time to visit
Best: May–June and September–October
Peak Season: July–August
Avoid: January–February (many coastal businesses closed; reduced ferry services; mountain roads snow-covered)
Notes: May–June: warm, uncrowded, lower prices, full hiking season opens, maquis flowering. September–October: sea still warm (22–24°C), beautiful light, fewer people, harvest season for chestnut and wine. July–August: hottest, busiest, most expensive — book 3–6 months ahead for accommodation.
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- Month
- January
- Summary
- Cool and quiet; some rainfall. Sea 14°C. Many coastal hotels closed. Mountain interior snow-covered.
- Crowd
- Very Low
- Month
- February
- Summary
- Similar to January; almond trees begin blooming in coastal areas. Off-season atmosphere.
- Crowd
- Very Low
- Month
- March
- Summary
- Warming up; maquis flowers begin. Occasional rain. Increasing sunshine. Most businesses re-open.
- Crowd
- Low
- Month
- April
- Summary
- Pleasant; 18–22°C on coast. Sea still cool (17°C). Easter week sees first domestic tourists.
- Crowd
- Low to Moderate
- Month
- May
- Summary
- One of the best months. Warm (22–26°C), beaches beginning to open, hiking trails clear, low crowds.
- Crowd
- Moderate
- Month
- June
- Summary
- Excellent: 25–30°C, sea 22°C, trails fully open, prices below peak. First summer crowds arrive late June.
- Crowd
- Moderate to High
- Month
- July
- Summary
- Peak summer. Hot (30–35°C+), beaches packed, roads congested. Sea 24–25°C. Very expensive. Book everything months ahead.
- Crowd
- Very High
- Month
- August
- Summary
- Hottest month (up to 40°C in sheltered valleys). Busiest and most expensive. Wildfire risk at maximum.
- Crowd
- Very High
- Month
- September
- Summary
- Excellent. Sea 24–25°C but crowds thinning rapidly after mid-September. Cooler air. Chestnut harvest.
- Crowd
- Moderate to High
- Month
- October
- Summary
- Outstanding for hiking and coastal drives. Sea still 22°C. Dramatic light. Some coastal restaurants close mid-month.
- Crowd
- Low to Moderate
- Month
- November
- Summary
- Quiet; first mountain snow. Some rain. Many seasonal businesses closed. Chestnuts everywhere.
- Crowd
- Very Low
- Month
- December
- Summary
- Mountain interior snow-covered. Coastal towns quiet. Christmas markets in Ajaccio and Bastia. Ferry services reduced.
- Crowd
- Very Low
Month-by-month weather
Typical conditions throughout the year.
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The seasons
What to expect in each part of the year.
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Summer (June–August) (Hot and dry. Coastal temperatures 28–35°C. Mountain areas cooler (20–25°C at 1,000 m). Wildfires possible. Peak season for beaches; challenging for mountain hiking (extreme heat in gorges). Sea at warmest (22–26°C).), Autumn (September–November) (Warm September and October; increasingly wet and cool from November. Chestnut harvest, grape harvest in Patrimonio. Hiking excellent. Sea still swimmable through October.), Winter (December–February) (Mountain interior under snow. Coastal areas mild (13–16°C) with periodic rain. Low tourist numbers. Many seasonal businesses closed. Good for those seeking solitude.), Spring (March–May) (Maquis in full flower. Warming temperatures. Trails opening. Low-to-moderate crowds. One of the best times for walking, cycling, and nature appreciation.)
Crowds & peak times
When to expect tourists and when to avoid them.
- Items
- Period
- July–August
- Level
- Very High
- Notes
- Island approaches capacity. Beach car parks full by 10:00. Restaurants booked solid. Hire cars unavailable without advance booking. Prices at peak.
- Period
- June (second half) and first two weeks of September
- Level
- High
- Notes
- Busy but manageable. Good balance of amenities open and reasonable crowds.
- Period
- May and October
- Level
- Moderate
- Notes
- Excellent conditions with far fewer visitors. Most restaurants and hotels open. Best value.
- Period
- November–April
- Level
- Very Low
- Notes
- Off-season quiet. Many coastal properties closed. Mountain roads may be icy. Good for independent travellers seeking authentic experiences.
Major events & festivals
Time your visit around what matters.