Is Saint-Nazaire hot in May?
Days are typically mild at 19.6°C, while nights average 9.8°C.
France · 1991–2020 normal
Typical May weather in Saint-Nazaire: 19.6°C by day, 9.8°C at night, 61 mm of rain over 9.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, May scores 67 out of 100 (July leads the year at 90). Daylight is calculated as 15 h 03 from latitude 47.28°. Open-water sea temperature is 14.2°C (18 km from the place centre).
May at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 19.6°C, while nights average 9.8°C.
The measured monthly average is 61 mm across about 10 wet days.
There are about 15 h 03 between sunrise and sunset at mid-month, calculated from the place latitude.
May ranks 5 of 12 in our weather comparison; July ranks first.
The evidence behind this page
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The weather comparison for Saint-Nazaire is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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