Marmari weather in April 2026

Q: How hot is it in Marmari in April?

Daytime temperatures usually reach 20°C in Marmari in April, falling to 12°C at night.

Q: How sunny is it in Marmari in April?

There are normally 9 hours of bright sunshine each day in Marmari in April - that's 65% of daylight hours.

Q: How warm is the sea around Marmari in April?

The average sea temperature around Marmari in April is 17°C.

Q: Does it rain in Marmari in April?

There are usually 7 days with some rain in Marmari in April and the average monthly rainfall is 35mm.

Expect daytime maximum temperatures of 20°C in Marmari, Kos in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

20
20°C max day temperature
9
9 hours of sunshine per day
6
6 days with some rainfall
12
12°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
34
34 mm of monthly rainfall
6
6 (High) UV index
17
17°C sea temperature

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The April weather guide for Kos (Marmari) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)