Alonissos weather in October 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Alonissos in October based on long-term weather averages. There is usually 6 days with some rainfall and 76 mm of average monthly rainfall in October.

  • 20°C maximum daytime temperature in October in Alonissos20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Alonissos6
    6 days with some rainfall
  • 13°C minimum night-time temperature in October in Alonissos13
    13°C min night temperature
  • 11 hours of daylight per day in October in Alonissos11
    11 hours of daylight per day
  • No heat & humidity in October in Alonissos0
    No heat & humidity
  • 76 mm monthly rainfall in October in Alonissos76
    76 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Alonissos4
    4 (Moderate) UV index
  • 21°C sea temperature in October in Alonissos21
    21°C sea temperature

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The October weather guide for Greece (Alonissos) 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 Alonissos in October?

Daytime temperatures usually reach 20°C in Alonissos in October, falling to 13°C at night.

How sunny is it in Alonissos in October?

There are normally 7 hours of bright sunshine each day in Alonissos in October - that's 58% of daylight hours.

How warm is the sea around Alonissos in October?

The average sea temperature around Alonissos in October is 21°C.

Does it rain in Alonissos in October?

There are usually 6 days with some rain in Alonissos in October and the average monthly rainfall is 76mm.

Alonissos October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:21 18:07
Thursday, 16th October 2025 06:35 17:44
Friday, 31st October 2025 06:51 17:25

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