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Best Time to Hike Chamonix-Zermatt Walker's route

wb_sunny Best from June to August
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month-by-month temperatures and rainfall for Chamonix-Zermatt Walker's route, Switzerland, based on 2-year climate normals.

Month-by-month weather on Chamonix-Zermatt Walker's route

Month Avg high Avg low Rainfall Rainy days
January -4.6°C / 24°F -10.9°C / 12°F 141 mm 18
February -3.7°C / 25°F -9.7°C / 15°F 75 mm 11
March -4.4°C / 24°F -10.2°C / 14°F 142 mm 17
April -1.7°C / 29°F -7°C / 19°F 164 mm 15
May 0.7°C / 33°F -4.1°C / 25°F 151 mm 18
June 8.1°C / 47°F 1.4°C / 35°F 103 mm 17
July 9.1°C / 48°F 2.3°C / 36°F 112 mm 18
August 11.3°C / 52°F 3.4°C / 38°F 76 mm 14
September 4.9°C / 41°F -0.9°C / 30°F 153 mm 18
October 2.4°C / 36°F -3°C / 27°F 164 mm 16
November -2.2°C / 28°F -8.6°C / 17°F 103 mm 9
December -4.9°C / 23°F -11.1°C / 12°F 102 mm 13

Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.

When to go

The best months to hike Chamonix-Zermatt Walker's route are June, July, August. Expect daytime highs around 10°C (50°F) and nights near 2°C (36°F).

Pack warm layers and a proper insulating jacket — nights get cold even in the best window.

Chamonix-Zermatt Walker's route

Full route guide, interactive map and free GPX download.

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