If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Ely: 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 15°F. The snowiest months in Ely are March, January, February, and November, with each month seeing an average of 8 inches of snowfall.