Thônex

What is the climate like in Thônex?

The best time to visit Thônex is typically July – August, with trip comfort peaking in August (6.7/10). Thônex is warmest in August, when daily highs average 76°F (25°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically May and the driest is February; the year sees roughly 59 in (1489 mm) of precipitation.

• Best time to visitJuly – August — comfort peaks in August (6.7/10)
• Warmest monthAugust — average high 76°F (25°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthMay (6.3 in (160 mm))
• Driest monthFebruary (3.7 in (93 mm))
• Annual precipitation59 in (1489 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeneve Cointrin, 8 km away (1955-2026)