Visiting · Greece 2026
Greece weather, month by month
The honest version: which months are warm enough to swim, which are wet, which are quiet, which are slammed. Numbers are the Open-Meteo 1991-2020 baseline; the verdicts are ours.
- Written by one person
- Chosen on merit
- Verified every season
- Independent — paid placements clearly labelled
| Month | High | Low | Rain | Sun | Sea |
|---|---|---|---|---|---|
| Jan | 12.2°C | 5.9°C | 57.3 mm | 0 h | 16.8°C |
| Feb | 12.6°C | 5.5°C | 54.7 mm | 0 h | 16.1°C |
| Mar | 16.2°C | 7.8°C | 36.8 mm | 0 h | 15.8°C |
| Apr | 19.8°C | 10.5°C | 28.4 mm | 0 h | 17°C |
| May | 26°C | 15.6°C | 17.2 mm | 0 h | 19.5°C |
| Jun | 30°C | 19.7°C | 13.3 mm | 0 h | 23.6°C |
| Jul | 33.5°C | 22.9°C | 1.5 mm | 0 h | 26.2°C |
| Aug | 32.9°C | 22.7°C | 4.2 mm | 0 h | 26.6°C |
| Sep | 28.8°C | 19°C | 5.8 mm | 0 h | 26.2°C |
| Oct | 22.8°C | 14.9°C | 32.8 mm | 0 h | 23.6°C |
| Nov | 17.2°C | 10.8°C | 47 mm | 0 h | 21.2°C |
| Dec | 12.8°C | 6.8°C | 58.6 mm | 0 h | 19.2°C |
1991–2020 baseline · sea temperature: trailing 12 months · source: Open-Meteo
When to come
Sea temperature passes 21°C from June through November — that's the swim window. Driest months: April, May, June.
Pick a month
Common questions
- When is the best time to visit Greece?
- Sea temperature passes 21°C from June through November — that's the swim window. Driest months: April, May, June.
- Can you swim in Greece year-round?
- Sea temperature passes 21°C for several months — most visitors swim comfortably from late spring through autumn. Hard data is on the year-round table above.
- What's the rainiest month in Greece?
- December — about 59 mm on the 1991-2020 baseline. Greece's rainy month is rarely a deal-breaker but worth packing for.
- Is Greece hot in summer?
- Yes — peak summer averages 33.5°C in the daytime. Air-con accommodation is worth seeking out.