Thessaloniki weather in October 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Thessaloniki in October. Check more long-term weather averages for Thessaloniki in October before you book your next holiday to Greece in 2025/2026.

  • 21°C maximum daytime temperature in October in Thessaloniki21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in October in Thessaloniki7
    7 days with some rainfall
  • 10°C minimum night-time temperature in October in Thessaloniki10
    10°C min night temperature
  • 11 hours of daylight per day in October in Thessaloniki11
    11 hours of daylight per day
  • No heat & humidity in October in Thessaloniki0
    No heat & humidity
  • 48 mm monthly rainfall in October in Thessaloniki48
    48 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Thessaloniki4
    4 (Moderate) UV index
  • 21°C sea temperature in October in Thessaloniki21
    21°C sea temperature

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

Daytime temperatures usually reach 21°C in Thessaloniki in October, falling to 10°C at night.

How sunny is it in Thessaloniki in October?

There are normally 6 hours of bright sunshine each day in Thessaloniki in October - that's 50% of daylight hours.

How warm is the sea around Thessaloniki in October?

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

Does it rain in Thessaloniki in October?

There are usually 7 days with some rain in Thessaloniki in October and the average monthly rainfall is 48mm.

Thessaloniki October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:25 18:10
Thursday, 16th October 2025 06:40 17:46
Friday, 31st October 2025 06:57 17:26

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