Fira, Santorini weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: July – September
What is the weather like in Fira, Santorini in January?
In January, Fira, Santorini is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 16.7 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 67 mm in total. It is often windy, with gusts of around 37 km/h. All in all, January is not an ideal month for a holiday in Fira, Santorini.
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 |
More details for January
- Daylight
- 9 h 56 min07:29 – 17:25
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 37 km/haverage daily peak
- Cloud cover
- 53 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Athens
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %25 %
- Few rainy daysweight 20 %46 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Fira, Santorini in January: quick answers
Is Fira, Santorini hot in January?
No. In January, Fira, Santorini is cool: daytime highs average 13 °C and nights drop to about 10 °C.
Can you swim in Fira, Santorini in January?
Only if you don't mind cold water: in January the sea averages just 16.7 °C. Comfortable swimming is possible from June to October.
Does it rain much in Fira, Santorini in January?
Rain is frequent, with about 12 rainy days and 67 mm in total.
Fira, Santorini month by month
The whole year in Fira, SantoriniAll destinations: GreeceWhere to go in JanuarySea temperature in January
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)