Planning for the weather is an important factor for making your trip to Lake Swaroop Sagar a success, especially when you’re splurging. The hottest months are usually May and April with an average temp of 87°F, while the coldest months are January and December with an average of 68°F. The rainiest months in Lake Swaroop Sagar are July, August, September, and June, with each month seeing an average of 10 inches of rainfall.