Altdorf

What is the climate like in Altdorf?

The best time to visit Altdorf is typically July, the year's most comfortable month (5.7/10). Altdorf is warmest in July, when daily highs average 67°F (20°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically August and the driest is February; the year sees roughly 79 in (2015 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (5.7/10)
• Warmest monthJuly — average high 67°F (20°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthAugust (8.9 in (226 mm))
• Driest monthFebruary (4.3 in (109 mm))
• Annual precipitation79 in (2015 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromZuerich/fluntern, 56 km away (1901-2026)