Kos Town 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
Poor
Best time to visit: June – September
What is the weather like in Kos Town in April?
In April, Kos Town is mild: daytime highs average 18 °C, and nights cool down to about 15 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain falls on about 7 days, adding up to 53 mm. All in all, April is not an ideal month for a holiday in Kos Town.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 6 min06:38 – 19:44
- UV index
- 8 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 21 km/haverage daily peak
- Cloud cover
- 38 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %7 %
- Sunshineweight 20 %98 %
- Few rainy daysweight 20 %81 %
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
Kos Town in April: quick answers
Is Kos Town hot in April?
No. In April, Kos Town is mild: daytime highs average 18 °C and nights drop to about 15 °C.
Can you swim in Kos Town in April?
Only if you don't mind cold water: in April the sea averages just 17.5 °C. Comfortable swimming is possible from June to November.
Does it rain much in Kos Town in April?
Rain falls on about 7 days, adding up to 53 mm.
Kos Town month by month
The whole year in Kos TownAll 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)