Santorini weather in December
Averages for 1 place in Santorini in December, from 30 years of weather data.
Holiday weather in December
Poor
Best time to visit: July – September
Places in Santorini in December
Sorted by holiday weather score. Each place links to its own page for December.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Fira | 18 | 14° | 12° | 18° | 4 h | 10 |
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 36 | 18 | 14 |
| Day | 17° | 14° | 13° |
| Night | 15° | 12° | 10° |
| Sea | 20° | 18° | 17° |
| Sun | 6 h | 4 h | 5 h |
| Rain days | 6 | 10 | 12 |
Santorini in December: quick answers
Is it warm in Santorini in December?
Not really, it is cool. Daytime highs average 14 °C (14 °C by place) and nights 12 °C.
Can you swim in Santorini in December?
Only if you like it fresh: the sea is 18 °C, 18 °C on average.
Does it rain much in Santorini in December?
Quite often: 10 rainy days on average. Plus 4 hours of sunshine a day.
Is December a good time to visit Santorini?
December scores 18 out of 100 (Poor). The best time to visit is July – September.
Santorini month by month
Santorini: weather by monthWhere to go in DecemberSea temperature in December
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)