Kalymnos weather in April 2025

Expect 20°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Kalymnos in April. Check more long-term weather averages for Kalymnos in April before you book your next holiday to Greece in 2025/2026.

  • 20°C maximum daytime temperature in April in Kalymnos20
    20°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in April in Kalymnos6
    6 days with some rainfall
  • 12°C minimum night-time temperature in April in Kalymnos12
    12°C min night temperature
  • 13 hours of daylight per day in April in Kalymnos13
    13 hours of daylight per day
  • No heat & humidity in April in Kalymnos0
    No heat & humidity
  • 34 mm monthly rainfall in April in Kalymnos34
    34 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Kalymnos6
    6 (High) UV index
  • 17°C sea temperature in April in Kalymnos17
    17°C sea temperature

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The April weather guide for Greece (Kalymnos) 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)

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More about Greece

How hot is it in Kalymnos in April?

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

How sunny is it in Kalymnos in April?

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

How warm is the sea around Kalymnos in April?

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

Does it rain in Kalymnos in April?

There are usually 6 days with some rain in Kalymnos in April and the average monthly rainfall is 34mm.

Kalymnos April sunrise & sunset times

Browse the sunrise and sunset times for Kalymnos in April 2025. Select a month to view Kalymnos sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:58 18:35
Tuesday, 15th April 2025 05:38 18:47
Wednesday, 30th April 2025 05:19 19:00

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