If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Bountiful: The hottest months are usually July and August, with an average temperature of 21°C, while the coldest months are January and December, with an average of -1°C. The snowiest months in Bountiful are January, April, March and December, with each month seeing an average of 40 cm of snowfall.