Weather is only one factor, but it can really affect your travel plans, especially when you are planning a longer stay in Kolasib. The hottest months are usually April and May, with an average temperature of 23°C, while the coldest months are January and December, with an average of 16°C. The rainiest months in Kolasib are July, August, June and September, with each month seeing an average of 413 mm of rainfall.