Visiting local bars in Bayfield is more fun when you know what the weather holds. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and December, with an average of -4°C. The snowiest months in Bayfield are January, March, December and February, with each month seeing an average of 22 cm of snowfall.