Thonon-les-Bains

What is the climate like in Thonon-les-Bains?

The best time to visit Thonon-les-Bains is typically July – August, with trip comfort peaking in July (6.5/10). Thonon-les-Bains is warmest in July, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically May and the driest is February; the year sees roughly 62 in (1586 mm) of precipitation.

• Best time to visitJuly – August — comfort peaks in July (6.5/10)
• Warmest monthJuly — average high 74°F (23°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthMay (7.0 in (178 mm))
• Driest monthFebruary (3.8 in (96 mm))
• Annual precipitation62 in (1586 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeneve Cointrin, 30 km away (1955-2026)