Greece: weather & best time to visit
16 destinations with long-term climate data. Best time to visit overall: June – September.
Weather by month
Daytime highs and sea temperatures range across the destinations; the score is their average. Best months are marked.
| Month | Score | Air | Sea | Best weather |
|---|---|---|---|---|
| JanuaryJan | 22 | 9–15° | 14–18° | Athens |
| FebruaryFeb | 28 | 11–15° | 13–17° | Athens |
| MarchMar | 35 | 13–17° | 13–17° | Athens |
| AprilApr | 45 | 16–21° | 15–18° | Athens |
| MayMay | 65 | 20–26° | 18–20° | Athens |
| JuneJun | 90 | 23–31° | 21–23° | Lindos, Rhodes |
| JulyJul | 95 | 25–34° | 23–26° | Chania, Crete |
| AugustAug | 96 | 26–33° | 24–27° | Fira, Santorini |
| SeptemberSep | 95 | 24–28° | 23–26° | Heraklion, Crete |
| OctoberOct | 71 | 20–24° | 21–24° | Athens |
| NovemberNov | 41 | 16–20° | 18–22° | Athens |
| DecemberDec | 24 | 11–16° | 16–20° | Athens |
Destinations16
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Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)