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 Ponderay: The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are February and December, with an average of -3°C. The snowiest months in Ponderay are January, February, December and March, with each month seeing an average of 43 cm of snowfall.