Planning for the weather is an important factor for making your trip to Lunglei a success, especially when you're splurging. The hottest months are usually April and May, with an average temperature of 24°C, while the coldest months are January and December, with an average of 18°C. The rainiest months in Lunglei are June, July, August and September, with each month seeing an average of 375 mm of rainfall.