SeasonScore
Santorini, Greece
Photo: Leonard G. · CC0

Greece

Santorini in December

🌤️ Cool season

Cool and some showers.

🎒 Pack: light layers

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

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Why December scores 9.3What goes into the score

How it works
🌡️ 16° / 12°C🌧️ 55 mm💧 dew pt 11°🍃 PM2.5 5
  • Weather comfort9.1
    • ✓Cool (16°C highs / 12°C lows)
    • ✓Comfortable humidity (dew point 11.1°C)
    • ✓Mostly dry (~55 mm rain)
  • Air quality9.9
    • ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut December side by side with another month
DecApr
Score9.3 Excellent9.7 Excellent
Season🌤️ Cool season🌤️ Cool season
High / low16° / 12°20° / 14°
Rain55 mm12 mm
Humiditydew pt 11°dew pt 12°
PM2.55 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 & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 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 December

No major events on our calendar for December.

Coming up later

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

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