Planning for the weather is an important factor for making your trip to Baileys Harbor a success, especially when you're splurging. The hottest months are usually August and July, with an average temperature of 17°C, while the coldest months are February and January, with an average of -3°C. The snowiest months in Baileys Harbor are January, March, April and February, with each month seeing an average of 22 cm of snowfall.