If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Parowan: The hottest months are usually July and August with an average temp of 68°F, while the coldest months are January and December with an average of 28°F. The snowiest months in Parowan are January, April, March, and November, with each month seeing an average of 8 inches of snowfall.