Saint-Nazaire Weather in August

In Saint-Nazaire, August brings very high daytime temperatures around 32°C (90°F), with nights cooling to 19°C (66°F). Some rainfall is to be expected.

Rainfall in Saint-Nazaire in August

Typically, you can expect about 7 days of rain this month, with 50 mm (2 in) on average. Although rain is not especially frequent, individual showers can still be quite heavy.

Temperature in Saint-Nazaire in August

Daytime highs in Saint-Nazaire in August reach 32°C (90°F), with nights around 19°C (66°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Saint-Nazaire in August

The month enjoys around 330 hours of sunshine, creating mostly sunny days with good weather conditions.

For Saint-Nazaire itself, April, May and June generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.