If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Elmwood Park: The hottest months are usually July and August with an average temp of 71°F, while the coldest months are January and February with an average of 31°F. The snowiest months in Elmwood Park are January, November, February, and December, with each month seeing an average of 5 inches of snowfall.