Zürich (Kreis 11) / Affoltern

What is the climate like in Zürich (Kreis 11) / Affoltern?

The best time to visit Zürich (Kreis 11) / Affoltern is typically July, the year's most comfortable month (6.5/10). Zürich (Kreis 11) / Affoltern is warmest in July, when daily highs average 78°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 46 in (1180 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.5/10)
• Warmest monthJuly — average high 78°F (25°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthMay (5.0 in (126 mm))
• Driest monthFebruary (2.8 in (72 mm))
• Annual precipitation46 in (1180 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromZuerich/fluntern, 6 km away (1901-2026)