Marathon weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Excellent
Best time to visit: June – September
What is the weather like in Marathon in June?
In June, Marathon is hot: daytime highs average 31 °C, and nights cool down to about 20 °C. The sea averages 21.8 °C – refreshing for a swim. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 20 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Marathon.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 48 min06:00 – 20:48
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 16 %on averageAll months
- Hot days
- 20 days30 °C or moreAll months
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %94 %
- Seaweight 25 %69 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Marathon in June: quick answers
Is Marathon hot in June?
Yes. In June, Marathon is hot: daytime highs average 31 °C and nights stay around 20 °C. On about 20 days the thermometer climbs to 30 °C or more.
Can you swim in Marathon in June?
Yes. In June the sea averages 21.8 °C – refreshing for a swim.
Does it rain much in Marathon in June?
It hardly ever rains.
Marathon month by month
The whole year in MarathonAll destinations: GreeceWhere to go in JuneSea temperature in June
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). Sources & licences