Planning for the weather is a good way to make your trip to Daman relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and May with an average temp of 85°F, while the coldest months are January and December with an average of 78°F. The rainiest months in Daman are July, August, September, and June, with each month seeing an average of 17 inches of rainfall.