Saint-Nazaire weather in May 2026

Expect daytime maximum temperatures of 64°F in Saint-Nazaire, France in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 64°F maximum daytime temperature in May in Saint-Nazaire64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Saint-Nazaire16
    16 days with some rainfall
  • 48°F minimum night-time temperature in May in Saint-Nazaire48
    48°F min night temperature
  • 15 hours of daylight per day in May in Saint-Nazaire15
    15 hours of daylight per day
  • No heat & humidity in May in Saint-Nazaire0
    No heat & humidity
  • 2.6 inches monthly rainfall in May in Saint-Nazaire2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Saint-Nazaire6
    6 (High) UV index
  • 57°F sea temperature in May in Saint-Nazaire57
    57°F sea temperature

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The May 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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More about France

How hot is it in Saint-Nazaire in May?

Daytime temperatures usually reach 64°F in Saint-Nazaire in May, falling to 48°F at night.

How sunny is it in Saint-Nazaire in May?

There are normally 7 hours of bright sunshine each day in Saint-Nazaire in May - that's 45% of daylight hours.

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

The average sea temperature around Saint-Nazaire in May is 57°F.

Does it rain in Saint-Nazaire in May?

There are usually 16 days with some rain in Saint-Nazaire in May and the average monthly rainfall is 2.6 inches.

Saint-Nazaire May sunrise & sunset times

Browse the sunrise and sunset times for Saint-Nazaire in May 2026. Select a month to view Saint-Nazaire sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:53 20:20
Saturday, 16th May 2026 05:32 20:40
Sunday, 31st May 2026 05:17 20:56

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