If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Lviv: The hottest months are usually August and July with an average temp of 64°F, while the coldest months are January and February with an average of 32°F. The snowiest months in Lviv are January, December, November, and April, with each month seeing an average of 12 inches of snowfall.