Planning for the weather is a good way to make your trip to Agartala relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and March, with an average temperature of 28°C, while the coldest months are January and December, with an average of 21°C. The rainiest months in Agartala are May, June, July and August, with each month seeing an average of 360 mm of rainfall.