Vannes

What is the climate like in Vannes?

The best time to visit Vannes is typically May – September, with trip comfort peaking in July (7.7/10). Vannes is warmest in July, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 39°F (4°C). The wettest month is typically December and the driest is August; the year sees roughly 31 in (798 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in July (7.7/10)
• Warmest monthJuly — average high 74°F (23°C)
• Coolest monthJanuary — average low 39°F (4°C)
• Wettest monthDecember (3.5 in (89 mm))
• Driest monthAugust (1.7 in (42 mm))
• Annual precipitation31 in (798 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromBelle Ile - Le Talut, 53 km away (1930-2026)