Planning for the weather is a good way to make your trip to Indian Lake relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and February, with an average of -5°C. The snowiest months in Indian Lake are January, March, December and April, with each month seeing an average of 25 cm of snowfall.