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Best time to visit Corsica: month by month
Short answer
May-June and September are the best months: sea warm enough to swim (about 20-24°C), highs of 22-28°C on the coast and open restaurants. July and August are crowded and expensive, while mountain hiking is best from mid-June to September. From November to March many places close and the interior is cold.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 13°C | 5°C | 13 | low |
| Feb | 15°C | 5°C | 7 | low |
| Mar | 16°C | 6°C | 9 | low |
| Apr | 18°C | 8°C | 12 | low |
| May | 22°C | 13°C | 9 | medium |
| Jun | 29°C | 18°C | 6 | high |
| Jul | 31°C | 20°C | 1 | very high |
| Aug | 30°C | 20°C | 6 | very high |
| Sep | 27°C | 17°C | 8 | high |
| Oct | 23°C | 14°C | 12 | medium |
| Nov | 18°C | 10°C | 15 | low |
| Dec | 15°C | 7°C | 14 | low |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
Cool inland, with mountain highs of 8-15°C in the data and 11-17 rainy days; the coast is milder and pleasant by late May.
Summer (Jun–Aug)
Warm and dry, with highs of 22-26°C in the interior (hotter on the coast) and only 3 rainy days in July; peak crowds.
Autumn (Sep–Nov)
September is excellent at around 20°C inland and warm on the coast; November turns cold and wet (17 rainy days).
Winter (Dec–Feb)
Cold in the mountains, with highs of 4-8°C and frost; the coast is milder but many hotels close.
Events worth planning around
- Holy Week processions in Calvi and Sartène, March-April
- Calvi on the Rocks music festival, early July (check dates)
- Fiera di u Casgiu cheese fair in Venaco, May
- Calvi Jazz Festival, June
When to avoid
Avoid August if you dislike crowds and high prices: ferries, cars and rooms peak then. From November to March, many hotels, restaurants and boat trips close and mountain roads can be icy.
Common questions
What is the best month to visit Corsica?
June or September: warm sea, long days and fewer crowds than July-August.
When can you hike the GR20?
From about mid-June to September, when the snow has gone from the high passes.
Is Corsica open in winter?
The towns are, but many hotels, restaurants and boat trips close from November to March.