 Winters are cold, normally seeing maximum temperatures remaining below on 106 days (the second-most of any city in the contiguous US behind International Falls), falling to or below on 40–41 nights and bringing consistent snow cover from late November to late March.Winter storms that pass south or east of Duluth can often set up easterly or northeasterly flow, which leads to occasional upslope lake-effect snow events that bring or more of snow to the city while areas inland receive considerably less.The average annual snowfall is 86.1 in.