Planning for the weather is an important factor for making your trip to Kumbakonam a success, especially when you're splurging. The hottest months are usually May and April, with an average temperature of 31°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Kumbakonam are November, October, December and August, with each month seeing an average of 185 mm of rainfall.