Santorini weather in January
Averages for 1 place in Santorini in January, from 30 years of weather data.
Holiday weather in January
Poor
Best time to visit: July – September
Places in Santorini in January
Sorted by holiday weather score. Each place links to its own page for January.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Fira | 14 | 13° | 10° | 17° | 5 h | 12 |
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 18 | 14 | 20 |
| Day | 14° | 13° | 13° |
| Night | 12° | 10° | 10° |
| Sea | 18° | 17° | 16° |
| Sun | 4 h | 5 h | 5 h |
| Rain days | 10 | 12 | 9 |
Santorini in January: quick answers
Is it warm in Santorini in January?
Not really, it is cool. Daytime highs average 13 °C (13 °C by place) and nights 10 °C.
Can you swim in Santorini in January?
Only if you like it fresh: the sea is 17 °C, 17 °C on average.
Does it rain much in Santorini in January?
Quite often: 12 rainy days on average. Plus 5 hours of sunshine a day.
Is January a good time to visit Santorini?
January scores 14 out of 100 (Poor). The best time to visit is July – September.
Santorini month by month
Santorini: weather by monthWhere to go in JanuarySea temperature in January
More islands & regions
All places on the Greek islandsGreece: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)