SeasonScore
Santorini, Greece
Photo: Leonard G. · CC0

Greece

Santorini in May

🌤️ Cool season

Pleasant and mostly dry.

Best months: Apr (9.7), Oct (9.7), May (9.6)

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Why May scores 9.6What goes into the score

How it works
🌡️ 23° / 17°C🌧️ 8 mm💧 dew pt 16°🍃 PM2.5 9
  • Weather comfort9.8
    • ✓Comfortable temperatures (23°C highs / 17°C lows)
    • ✓Slightly humid (dew point 15.5°C)
    • ✓Mostly dry (~8 mm rain)
  • Air quality9.3
    • ✓Good (within WHO guideline) (PM2.5 ~9 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut May side by side with another month
MayApr
Score9.6 Excellent9.7 Excellent
Season🌤️ Cool season🌤️ Cool season
High / low23° / 17°20° / 14°
Rain8 mm12 mm
Humiditydew pt 16°dew pt 12°
PM2.59 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Santorini weather-station normals. Rainfall: Santorini weather-station normals (national met service).

Holidays & crowdsMay 2027

Holiday week

A long local holiday falls this month. Expect crowds at sights, fuller trains and flights, and higher hotel prices on those dates. Book ahead.

  • Labor Day 30 Apr – 4 May · 5 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore SantoriniEvents, sights, food & souvenirs

Check event dates locally

Volcanic Cycladic island in Greece, known for whitewashed villages on caldera cliffs, sunsets in Oia and dark volcanic beaches.

Events in May
Greek Orthodox EasterDate variesUsually April or early May, date moves each year

Midnight resurrection service with candles and fireworks.

Why go: Some villages light up their church paths.

Where: Churches across the island

Coming up later

Dormition of the Virgin MaryEvery year15 August every year

A major religious feast with village festivities.

Why go: Peak season; ferries and hotels are busy.

Where: Churches across the island