Kos weather in May 2025

Expect 24°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Kos in May. Check more long-term weather averages for Kos in May before you book your next holiday to Kos in 2025/2026.

  • 24°C maximum daytime temperature in May in Kos (Kos Town)24
    24°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in May in Kos (Kos Town)4
    4 days with some rainfall
  • 15°C minimum night-time temperature in May in Kos (Kos Town)15
    15°C min night temperature
  • 14 hours of daylight per day in May in Kos (Kos Town)14
    14 hours of daylight per day
  • Low heat & humidity in May in Kos (Kos Town)L
    Low heat & humidity
  • 21 mm monthly rainfall in May in Kos (Kos Town)21
    21 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Kos (Kos Town)8
    8 (Very High) UV index
  • 19°C sea temperature in May in Kos (Kos Town)19
    19°C sea temperature

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The May weather guide for Kos (Kos Town) 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.

Top Kos destinations

Below are average maximum temperatures at popular countries, regions and places in Kos in May. Select a holiday destination to see more weather parameters.

All Kos destinations

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

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How hot is it in Kos in May?

Daytime temperatures usually reach 24°C in Kos Town, Kos in May, falling to 15°C at night.

How sunny is it in Kos in May?

There are normally 11 hours of bright sunshine each day in Kos Town, Kos in May - that's 75% of daylight hours.

How warm is the sea around Kos in May?

The average sea temperature around Kos Town, Kos in May is 19°C.

Does it rain in Kos in May?

There are usually 4 days with some rain in Kos Town, Kos in May and the average monthly rainfall is 21mm.

Kos May sunrise & sunset times

Browse the sunrise and sunset times for Kos in May 2025. Select a month to view Kos sunrise and sunset times for the next 12 months. The Kos sunrise and sunset times shown below are for Kos Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:17 19:00
Friday, 16th May 2025 05:02 19:13
Saturday, 31st May 2025 04:53 19:24

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