Santorini weather in January
January in Santorini: cool, a little rain, with clean air — a good time to visit.
#12 of 12 months in Santorini · #408 of 604 destinations to visit in January · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Santorini climate normals — January
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 77 mm / 3 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 8 h/day | |
| Daylight | 10 h | |
| Wind | 38 km/h / 24 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Santorini?
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Santorini in January — FAQ
- Is January a good time to visit Santorini?
- January in Santorini: cool, a little rain, with clean air — a good time to visit. It ranks #12 of 12 months for Santorini on SeasonMap's comfort score (60/100).
- What is the weather like in Santorini in January?
- In January, Santorini averages a daily high of 14°C and a low of 11.2°C, with about 76.7 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Santorini in January?
- Santorini has a mean US Air Quality Index of about 43 in January.