Porto Heli weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Porto Heli in July. Check more long-term weather averages for Porto Heli in July before you book your next holiday to Peloponnese in 2025/2026.

  • 31°C maximum daytime temperature in July in Porto Heli31
    31°C max day temperature
  • 12 hours of sunshine per day
  • 1 day with some rainfall in July in Porto Heli1
    1 day with some rainfall
  • 20°C minimum night-time temperature in July in Porto Heli20
    20°C min night temperature
  • 14 hours of daylight per day in July in Porto Heli14
    14 hours of daylight per day
  • High heat & humidity in July in Porto HeliH
    High heat & humidity
  • 6 mm monthly rainfall in July in Porto Heli6
    6 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Porto Heli10
    10 (Very High) UV index
  • 25°C sea temperature in July in Porto Heli25
    25°C sea temperature

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Porto Heli by month

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The July weather guide for Peloponnese (Porto Heli) 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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How hot is it in Porto Heli in July?

Daytime temperatures usually reach 31°C in Porto Heli in July with high heat and humidity, falling to 20°C at night.

How sunny is it in Porto Heli in July?

There are normally 12 hours of bright sunshine each day in Porto Heli in July - that's 86% of daylight hours.

How warm is the sea around Porto Heli in July?

The average sea temperature around Porto Heli in July is 25°C.

Does it ever rain in Porto Heli in July?

There is usually 1 day with some rain in Porto Heli in July and the average monthly rainfall is 6mm.

Porto Heli July sunrise & sunset times

Browse the sunrise and sunset times for Porto Heli in July 2025. Select a month to view Porto Heli sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:11 19:52
Wednesday, 16th July 2025 05:20 19:47
Thursday, 31st July 2025 05:31 19:36

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