Mont Blanc (4809m) — December
Monthly conditions and weather data
Weather Quality
2
Temperature
-15–-5°C
Precipitation
158 mm
Crowd Level
2
Snow Likelihood
5/5
Daylight Hours
8.5h
Avg Temperature
-10°C
Summary
December on Mont Blanc: cold conditions (-15C to -5C), wet (158mm). Heavy snow likely.