Planning for the weather is an important factor for making your trip to Beechey Island a success, especially when you're splurging. The hottest months are usually July and August with an average temp of 33°F, while the coldest months are January and February with an average of -25°F. The snowiest months in Beechey Island are November, September, October, and December, with each month seeing an average of 8 inches of snowfall.