Saint-Sébastien-sur-Loire

What is the climate like in Saint-Sébastien-sur-Loire?

The best time to visit Saint-Sébastien-sur-Loire is typically May – September, with trip comfort peaking in July (8.0/10). Saint-Sébastien-sur-Loire is warmest in August, when daily highs average 78°F (25°C), and coolest in January, when lows fall to about 38°F (4°C). The wettest month is typically October and the driest is August; the year sees roughly 31 in (779 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in July (8.0/10)
• Warmest monthAugust — average high 78°F (25°C)
• Coolest monthJanuary — average low 38°F (4°C)
• Wettest monthOctober (3.3 in (84 mm))
• Driest monthAugust (1.4 in (35 mm))
• Annual precipitation31 in (779 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromNantes-bouguenais, 10 km away (1945-2026)