Galissas weather in April 2025

Expect 64°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Galissas in April. Check more long-term weather averages for Galissas in April before you book your next holiday to Syros in 2025/2026.

  • 64°F maximum daytime temperature in April in Galissas64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in April in Galissas6
    6 days with some rainfall
  • 54°F minimum night-time temperature in April in Galissas54
    54°F min night temperature
  • 13 hours of daylight per day in April in Galissas13
    13 hours of daylight per day
  • No heat & humidity in April in Galissas0
    No heat & humidity
  • 1.0 inches monthly rainfall in April in Galissas1.0
    1.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Galissas6
    6 (High) UV index
  • 61°F sea temperature in April in Galissas61
    61°F sea temperature

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The April weather guide for Syros, represented by Galissas, (Galissas) 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)  |  Imperial (°F)

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How hot is it in Galissas in April?

Daytime temperatures usually reach 64°F in Galissas in April, falling to 54°F at night.

How sunny is it in Galissas in April?

There are normally 8 hours of bright sunshine each day in Galissas in April - that's 64% of daylight hours.

How warm is the sea around Galissas in April?

The average sea temperature around Galissas in April is 61°F.

Does it rain in Galissas in April?

There are usually 6 days with some rain in Galissas in April and the average monthly rainfall is 1.0 inches.

Galissas April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:06 18:43
Tuesday, 15th April 2025 05:46 18:56
Wednesday, 30th April 2025 05:26 19:09

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