Climate almanac
Saint-Nazaire
Pays de la Loire, France · 47.28°, -2.22°
What is the climate like in Saint-Nazaire?
The best time to visit Saint-Nazaire is typically May – September, with trip comfort peaking in August (7.8/10). Saint-Nazaire is warmest in August, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 42°F (5°C). The wettest month is typically November and the driest is August; the year sees roughly 31 in (782 mm) of precipitation.
- Best time to visitMay – September — comfort peaks in August (7.8/10)
- Warmest monthAugust — average high 73°F (23°C)
- Coolest monthJanuary — average low 42°F (5°C)
- Wettest monthNovember (3.6 in (91 mm))
- Driest monthAugust (1.6 in (40 mm))
- Annual precipitation31 in (782 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromNantes-bouguenais, 48 km away (1945-2026)