Saint-Nazaire weather in August 2025

Expect 73°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Saint-Nazaire in August. Check more long-term weather averages for Saint-Nazaire in August before you book your next holiday to France in 2025/2026.

  • 73°F maximum daytime temperature in August in Saint-Nazaire73
    73°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in August in Saint-Nazaire12
    12 days with some rainfall
  • 57°F minimum night-time temperature in August in Saint-Nazaire57
    57°F min night temperature
  • 14 hours of daylight per day in August in Saint-Nazaire14
    14 hours of daylight per day
  • No heat & humidity in August in Saint-Nazaire0
    No heat & humidity
  • 2.0 inches monthly rainfall in August in Saint-Nazaire2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Saint-Nazaire6
    6 (High) UV index
  • 64°F sea temperature in August in Saint-Nazaire64
    64°F sea temperature

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Saint-Nazaire by month

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The August 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)  |  Imperial (°F)

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How hot is it in Saint-Nazaire in August?

Daytime temperatures usually reach 73°F in Saint-Nazaire in August, falling to 57°F at night.

How sunny is it in Saint-Nazaire in August?

There are normally 7 hours of bright sunshine each day in Saint-Nazaire in August - that's 52% of daylight hours.

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

The average sea temperature around Saint-Nazaire in August is 64°F.

Does it rain in Saint-Nazaire in August?

There are usually 12 days with some rain in Saint-Nazaire in August and the average monthly rainfall is 2.0 inches.

Saint-Nazaire August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:48 20:42
Saturday, 16th August 2025 06:07 20:18
Sunday, 31st August 2025 06:27 19:51

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