If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in West Bridgewater: The hottest months are usually July and August with an average temp of 62°F, while the coldest months are January and February with an average of 21°F. The snowiest months in West Bridgewater are January, April, March, and November, with each month seeing an average of 16 inches of snowfall.