 Temperatures usually remain consistently below freezing from late October to late March, and the bulk of the year's snow occurs from October to April, with generally light accumulations in May and September; the average annual snowfall stands at .In summer, temperatures reach on 37 days and on 6.4, with an average of 1 night not falling below .The threat of frost usually begins in late August, but sometimes it can happen during the first half of that month.