Santorini: weather and best time to visit
Santorini (Greece) reaches its warmest daytime temperatures in August at around 27°C; the coolest month is January at around 14°C. The sea is warmest in August at about 24°C.
Best time to visit
- 🏖 Beach
- 🏛 City trip
- 🥾 Hiking
Things to do in Santorini
Tours, tickets and activities for your trip.
Santorini climate, month by month
| Month | Day °C | Night °C | Sea °C | Rain d | Sun h | Beach | City | Hiking |
|---|---|---|---|---|---|---|---|---|
| Jan | 14° | 11° | 16° | 11 | 8 | 36 | 46 | 70 |
| Feb | 14° | 11° | 16° | 9 | 9 | 42 | 52 | 76 |
| Mar | 15° | 12° | 16° | 6 | 10 | 46 | 63 | 82 |
| Apr | 18° | 14° | 17° | 4 | 12 | 52 | 79 | 88 |
| May | 21° | 18° | 19° | 2 | 13 | 64 | 93 | 93 |
| Jun | 25° | 21° | 22° | 1 | 14 | 82 | 95 | 84 |
| Jul | 27° | 24° | 24° | 0 | 14 | 91 | 92 | 76 |
| Aug | 27° | 24° | 24° | 0 | 13 | 93 | 91 | 75 |
| Sep | 25° | 22° | 24° | 1 | 12 | 88 | 94 | 82 |
| Oct | 22° | 19° | 22° | 4 | 10 | 72 | 88 | 88 |
| Nov | 19° | 16° | 20° | 6 | 9 | 55 | 77 | 83 |
| Dec | 15° | 13° | 18° | 10 | 8 | 36 | 53 | 71 |
Rain d = average rain days per month · Sun h = average sunshine hours per day · scores 0–100, higher is better.
Every month in detail
Santorini in January
Daytime highs around 14°C, nights near 11°C. January is the coldest month of the year. It is the rainiest month of the year. Expect about 11 rain days and 8 hours of sunshine per day. The sea is cold at 16°C — not swimming weather.
Beach: poorCity: mixedHiking: goodMore destinations for January →
Santorini in February
Daytime highs around 14°C, nights near 11°C. Expect about 9 rain days and 9 hours of sunshine per day. The sea is cold at 16°C — not swimming weather.
Beach: mixedCity: mixedHiking: goodMore destinations for February →
Santorini in March
Daytime highs around 15°C, nights near 12°C. Expect about 6 rain days and 10 hours of sunshine per day. The sea is cold at 16°C — not swimming weather.
Beach: mixedCity: goodHiking: excellentMore destinations for March →
Santorini in April
Daytime highs around 18°C, nights near 14°C. Expect about 4 rain days and 12 hours of sunshine per day. The sea is cold at 17°C — not swimming weather.
Beach: mixedCity: goodHiking: excellentMore destinations for April →
Santorini in May
Daytime highs around 21°C, nights near 18°C. Expect about 2 rain days and 13 hours of sunshine per day. The sea is on the fresh side at 19°C.
Beach: goodCity: excellentHiking: excellentMore destinations for May →
Santorini in June
Daytime highs around 25°C, nights near 21°C. No month gets more sunshine. Expect about 1 rain day and 14 hours of sunshine per day. The sea is pleasant for swimming at 22°C.
Beach: excellentCity: excellentHiking: excellentMore destinations for June →
Santorini in July
Daytime highs around 27°C, nights near 24°C. It is also the driest month of the year. Expect about 0 rain days and 14 hours of sunshine per day. The sea is pleasant for swimming at 24°C.
Beach: excellentCity: excellentHiking: goodMore destinations for July →
Santorini in August
Daytime highs around 27°C, nights near 24°C. August is the warmest month of the year. The sea is at its warmest now. Expect about 0 rain days and 13 hours of sunshine per day. The sea is properly warm at 24°C.
Beach: excellentCity: excellentHiking: goodMore destinations for August →
Santorini in September
Daytime highs around 25°C, nights near 22°C. Expect about 1 rain day and 12 hours of sunshine per day. The sea is pleasant for swimming at 24°C.
Beach: excellentCity: excellentHiking: excellentMore destinations for September →
Santorini in October
Daytime highs around 22°C, nights near 19°C. Expect about 4 rain days and 10 hours of sunshine per day. The sea is pleasant for swimming at 22°C.
Beach: goodCity: excellentHiking: excellentMore destinations for October →
Santorini in November
Daytime highs around 19°C, nights near 16°C. Expect about 6 rain days and 9 hours of sunshine per day. The sea is on the fresh side at 20°C.
Beach: mixedCity: goodHiking: excellentMore destinations for November →
Santorini in December
Daytime highs around 15°C, nights near 13°C. Expect about 10 rain days and 8 hours of sunshine per day. The sea is cold at 18°C — not swimming weather.
Beach: poorCity: mixedHiking: goodMore destinations for December →
Related destinations
More in Greece: Athens · Mykonos · Crete · Chania · Rhodes · Corfu
Similar climate: Malta, Malta · Marbella, Spain · Faro, Portugal · Kusadasi, Türkiye