Visiting local bars in Arzamas is better in good weather. These temperatures and rainfall averages can help you determine the best time for bar hopping. The hottest months are usually July and August with an average temp of 63°F, while the coldest months are January and February with an average of 20°F. The snowiest months in Arzamas are February, January, March, and December, with each month seeing an average of 113 inches of snowfall.