Saint-Nazaire weather in July 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Saint-Nazaire in July. Check more long-term weather averages for Saint-Nazaire in July before you book your next holiday to France in 2025/2026.

  • 23°C maximum daytime temperature in July in Saint-Nazaire23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in July in Saint-Nazaire11
    11 days with some rainfall
  • 14°C minimum night-time temperature in July in Saint-Nazaire14
    14°C min night temperature
  • 15 hours of daylight per day in July in Saint-Nazaire15
    15 hours of daylight per day
  • No heat & humidity in July in Saint-Nazaire0
    No heat & humidity
  • 44 mm monthly rainfall in July in Saint-Nazaire44
    44 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in Saint-Nazaire7
    7 (High) UV index
  • 18°C sea temperature in July in Saint-Nazaire18
    18°C sea temperature

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Saint-Nazaire by month

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The July weather guide for France (Saint-Nazaire) 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 Saint-Nazaire in July?

Daytime temperatures usually reach 23°C in Saint-Nazaire in July, falling to 14°C at night.

How sunny is it in Saint-Nazaire in July?

There are normally 8 hours of bright sunshine each day in Saint-Nazaire in July - that's 53% of daylight hours.

How warm is the sea around Saint-Nazaire in July?

The average sea temperature around Saint-Nazaire in July is 18°C.

Does it rain in Saint-Nazaire in July?

There are usually 11 days with some rain in Saint-Nazaire in July and the average monthly rainfall is 44mm.

Saint-Nazaire July sunrise & sunset times

Browse the sunrise and sunset times for Saint-Nazaire in July 2025. Select a month to view Saint-Nazaire sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:17 21:09
Wednesday, 16th July 2025 05:29 21:00
Thursday, 31st July 2025 05:46 20:43

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