If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Soda Springs: The hottest months are usually July and August with an average temp of 62°F, while the coldest months are January and December with an average of 21°F. The snowiest months in Soda Springs are January, February, December, and March, with each month seeing an average of 10 inches of snowfall.