Marathon weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: June – September
What is the weather like in Marathon in April?
In April, Marathon is mild: daytime highs average 21 °C, and nights cool down to about 10 °C. The sea averages 15.5 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 30 mm. All in all, April is a so-so month for a holiday in Marathon.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 9 min06:50 – 19:59
- UV index
- 8 · 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
- 41 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %32 %
- Seaweight 25 %0 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 20 %90 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Marathon in April: quick answers
Is Marathon hot in April?
No. In April, Marathon is mild: daytime highs average 21 °C and nights drop to about 10 °C.
Can you swim in Marathon in April?
Only if you don't mind cold water: in April the sea averages just 15.5 °C. Comfortable swimming is possible from June to October.
Does it rain much in Marathon in April?
Rain falls on about 5 days, adding up to 30 mm.
Marathon month by month
The whole year in MarathonAll destinations: GreeceWhere to go in AprilSea temperature in April
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