Sierre

What is the climate like in Sierre?

The best time to visit Sierre is typically July, the year's most comfortable month (5.8/10). Sierre is warmest in July, when daily highs average 66°F (19°C), and coolest in January, when lows fall to about 9°F (-13°C). The wettest month is typically May and the driest is February; the year sees roughly 58 in (1484 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (5.8/10)
• Warmest monthJuly — average high 66°F (19°C)
• Coolest monthJanuary — average low 9°F (-13°C)
• Wettest monthMay (6.3 in (159 mm))
• Driest monthFebruary (3.7 in (93 mm))
• Annual precipitation58 in (1484 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSion 2, 18 km away (1955-2026)