Athens weather in October
Athens averages 23°C by day and 15°C at night in October, with the sea at 24°C and 3 days with at least 1 mm of rain. It cools by about 5°C into November.
Day
23°C
Night
15°C
Sea
24°C
Rainy days
3
Flight from London
3½h
What October feels like
October is warm in Athens: T-shirt days, a light layer for evenings.
The sea is warm at 24°C: comfortable for long swims.
Rain is occasional, on about 3 days.
Of the 48 sun destinations we track, Athens is the #44 warmest in October, and #21 of 23 within 5½ hours of the UK.
Want it warmer in October?
These are hotter than Athens this month for at most an hour and a half more flying:
Athens weather by month
October is highlighted. Compare with September and November, or see the full year in Athens.
Athens in October: quick answers
Is Athens hot in October?
October is warm in Athens: T-shirt days, a light layer for evenings. Average highs are 23°C and lows 15°C.
Can you swim in Athens in October?
The sea is warm at 24°C: comfortable for long swims.
Does it rain in Athens in October?
Rain is occasional, on about 3 days.
What is the warmest month in Athens?
July, at an average high of 34°C. The coolest is January at 12°C.
How long is the flight to Athens from the UK?
About 3½h direct from London, estimated from the 2,410 km distance. Check your airline for exact times.
Still choosing? See where is hot in October for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in October from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Athens in October?
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