Symi weather in May 2026

Expect daytime maximum temperatures of 25°C in Symi, Greece in May based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 25°C maximum daytime temperature in May in Symi25
    25°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in May in Symi4
    4 days with some rainfall
  • 14°C minimum night-time temperature in May in Symi14
    14°C min night temperature
  • 14 hours of daylight per day in May in Symi14
    14 hours of daylight per day
  • No heat & humidity in May in Symi0
    No heat & humidity
  • 23 mm monthly rainfall in May in Symi23
    23 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Symi8
    8 (Very High) UV index
  • 19°C sea temperature in May in Symi19
    19°C sea temperature

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The May weather guide for Greece (Symi) 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 Symi in May?

Daytime temperatures usually reach 24°C in Symi in May, falling to 14°C at night.

How sunny is it in Symi in May?

There are normally 10 hours of bright sunshine each day in Symi in May - that's 67% of daylight hours.

How warm is the sea around Symi in May?

The average sea temperature around Symi in May is 18°C.

Does it rain in Symi in May?

There are usually 5 days with some rain in Symi in May and the average monthly rainfall is 23mm.

Symi May sunrise & sunset times

Browse the sunrise and sunset times for Symi in May 2026. Select a month to view Symi sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:15 18:57
Saturday, 16th May 2026 05:01 19:10
Sunday, 31st May 2026 04:52 19:21

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