Weather will likely play an important role when you plan your trip to Lawngtlai, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May with an average temp of 76°F, while the coldest months are January and December with an average of 64°F. The rainiest months in Lawngtlai are June, July, August, and September, with each month seeing an average of 15 inches of rainfall.