Santorini weather in December
December in Santorini: cool, a little rain, with clean air — a good time to visit.
#10 of 12 months in Santorini · #365 of 604 destinations to visit in December · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Santorini climate normals — December
| Daytime high | 16°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 8 h/day | |
| Daylight | 9.7 h | |
| Wind | 33 km/h / 21 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santorini in December — FAQ
- Is December a good time to visit Santorini?
- December in Santorini: cool, a little rain, with clean air — a good time to visit. It ranks #10 of 12 months for Santorini on SeasonMap's comfort score (66/100).
- What is the weather like in Santorini in December?
- In December, Santorini averages a daily high of 16.4°C and a low of 13.7°C, with about 61.1 mm of rain over roughly 10 rainy days.
- What is the air quality in Santorini in December?
- Santorini has a mean US Air Quality Index of about 40 in December.