Planning for the weather is a good way to make your trip to Thissamaharama relaxing and enjoyable, especially when you’re splurging. The hottest months are usually April and June with an average temp of 83°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Thissamaharama are November, December, October, and April, with each month seeing an average of 8 inches of rainfall.