Taking into account the local weather in Bois-Colombes can help you maximize your time at the pool during your trip. The hottest months are usually August and July with an average temp of 66°F, while the coldest months are January and February with an average of 42°F. The snowiest months in Bois-Colombes are February, May, March, and January, with each month seeing an average of 7 inches of snowfall.