Good weather's always better when you want to venture out and explore, so here's a little information that may be helpful: The hottest months are usually July and August with an average temp of 61°F, while the coldest months are January and February with an average of 29°F. The snowiest months in Gelgaudiškis are January, February, December, and November, with each month seeing an average of 14 inches of snowfall.