Weather can make or break a road trip, so we've gathered some data about year-round temperatures in Bend to help you plan yours. The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are December and February, with an average of 0°C. The snowiest months in Bend are January, March, February and April, with each month seeing an average of 14 cm of snowfall.