Planning for the weather is a good way to make your trip to Vastrapur relaxing and enjoyable, especially when you’re splurging. The hottest months are usually May and April with an average temp of 91°F, while the coldest months are January and December with an average of 74°F. The rainiest months in Vastrapur are July, August, September, and June, with each month seeing an average of 9 inches of rainfall.