Mykonos 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: June – September
What is the weather like in Mykonos in January?
In January, Mykonos is cool: daytime highs average 13 °C, and nights cool down to about 11 °C. The sea averages 16.3 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 81 mm in total. It is often windy, with gusts of around 38 km/h. All in all, January is not an ideal month for a holiday in Mykonos.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 20 | 18 | 27 |
| Day | 15° | 13° | 14° |
| Night | 12° | 11° | 11° |
| Sea | 17° | 16° | 16° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 10 | 12 | 9 |
More details for January
- Daylight
- 9 h 51 min07:32 – 17:23
- UV index
- 2 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 38 km/haverage daily peak
- Cloud cover
- 54 %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 %47 %
- 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
Mykonos in January: quick answers
Is Mykonos hot in January?
No. In January, Mykonos is cool: daytime highs average 13 °C and nights drop to about 11 °C.
Can you swim in Mykonos in January?
Only if you don't mind cold water: in January the sea averages just 16.3 °C. Comfortable swimming is possible from June to October.
Does it rain much in Mykonos in January?
Rain is frequent, with about 12 rainy days and 81 mm in total.
Mykonos month by month
The whole year in MykonosAll destinations: Greece
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)