Best time to visit Mont Blanc

The climate in Mont Blanc through the year

When to go

Mont Blanc scores highest on Eddigo’s travel score in June–September, peaking at 73 out of 100 in August. A typical August day reaches 23°C and the night falls to 12°C, with rain on about 12 days and clear sky 43 % of the time. May is a fair alternative, with scores of 60. The lowest score is in December (21), when days are cool at around −4°C.

Seasons and rain

The seasons are sharply different: a July day (24°C) is about 31 degrees warmer than a January day (−7°C). Nights typically drop below freezing in November–April. Precipitation is spread evenly over the year, from 69 mm in February to 129 mm in June (about 1,180 mm in all). Snow typically lies on the ground in December–April, deepest in February (about 60 cm).

Daylight

Daylight lasts from about 8.5 hours in December to 16 hours in June.

By type of trip

The best months change with what you want to do. Each of Eddigo’s trip types has its own preferred daytime temperature and its own weights for rain, humidity and sun. Mont Blanc scores 65 or more in these months:

• Sun and warmth (22–30 °C): July and August, up to 68
• City break (15–25 °C): May–September, up to 75
• Hiking (10–22 °C): May and September, up to 68
• Cooler weather (10–20 °C): April–October, up to 87
• Skiing: snow cover and cold enough in January–March

How it compares

Of the 105 destinations Eddigo covers in Canada, Mont Blanc is the 47th coolest over the year and the 35th wettest. In August, when Mont Blanc scores 73, Ski Morin Heights (28 km away) scores 74 and Ski Chantecler (29 km away) scores 73. See where to go in August for the best destinations that month.