Taking into account the local weather in Gavrilov-Yam can help you maximize your time at the pool during your trip. The hottest months are usually July and August with an average temp of 62°F, while the coldest months are January and February with an average of 20°F. The snowiest months in Gavrilov-Yam are February, March, January, and December, with each month seeing an average of 91 inches of snowfall.