Corsica September — GR20 hikers on granite ridge

Best time to visit Corsica for good weather

When is the best weather in Corsica? Monthly breakdown of temperature, rainfall, and sunshine hours — ranked by what actually matters for your trip.

Best month

September

The other Goldilocks month — French schools back, sea still 23°C, GR20 at perfect temperature.

French schools back week 1 — Palombaggia beaches civilised again

GR20 at peak hiking conditions — warm days, cool nights

Sea at 23°C through whole month, diving exceptional

All months ranked — Good weather

September

Best match

The other Goldilocks month — French schools back, sea still 23°C, GR20 at perfect temperature.

#1 for good weather

May

Best match

First real sweet spot — 21°C and dry, GR20 lower stages open, Bonifacio beaches without crowds.

#2 for good weather

June

Best match

Best month overall — GR20 fully open, 25°C, sea 21°C, French schools still in.

#3 for good weather

October

Best match

Last warm month — chestnut harvest in Castagniccia, sea still 21°C, rates back to spring levels.

#4 for good weather

April

Strong option

Hotels start reopening for Easter — coastal towns wake up, mountain interior still wintering.

#5 for good weather

November

Strong option

Wettest month — coastal resorts shut down, mountain interior receives first snows.

#6 for good weather

March

Strong option

Maquis (the wild scrub) begins to flower — yellow gorse, white rockrose, pink heather.

#7 for good weather

December

Strong option

Mountain interior properly snowy — quiet Christmas in island villages, almost no foreign tourists.

#8 for good weather

July

Worth considering

Mainland French and Italians arrive in force — ferries booked months out, Porto-Vecchio gridlocked.

#9 for good weather

January

Worth considering

Island all but closed — coastal towns shuttered, mountain interior properly snowed in.

#10 for good weather

February

Worth considering

Still winter — mountain villages snowed in, coast cool and grey, almost no tourists.

#11 for good weather

August

Worth considering

Peak overwhelm — the island's population triples, every beach a parking war by 10:00.

#12 for good weather

Other priorities for Corsica

Good weather in other destinations

Scores are directional — designed to compare months within Corsica, not to make precise claims. Full methodology →