Corsica · Month comparison

July vs May

May ranks #1 overall vs July at #11. First real sweet spot — 21°C and dry, GR20 lower stages open, Bonifacio beaches without crowds.

Corsica July — Calvi citadel and crowded beach

July

#11 of 12 months

Worth considering

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

  • Calvi on the Rocks electronic music festival mid-month
  • Mare e Sole and Palombaggia at 24°C sea — diving and snorkel-ready
Corsica May — Bonifacio cliffs and citadel from sea

May

#1 of 12 months

Best match

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

  • GR20 lower stages open from mid-May — full traverse from early June
  • Cap Corse driving loop without summer traffic
FactorJulyMay
Weather score
8
9
Value score
2
7
Crowd score
2
7
Events score
9
8
Atmosphere
6
10
Avg high temp29°C21°C
Monthly rain15mm45mm
Daily sunshine12hrs9hrs

July trade-offs

  • Bastia-Bonifacio drive takes 4 hours on jammed N198
  • Porto-Vecchio restaurant tables booked weeks ahead

May trade-offs

  • Sea still 17°C — only Northern Europeans swim
  • Upper GR20 stages still snow-bound until early June
Scores compare months within Corsica. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →