Though weather is just one factor, it can really affect your travel plans, especially when you are planning a longer stay in Nasarawa. The hottest months are usually March and February with an average temp of 86°F, while the coldest months are January and December with an average of 80°F. The rainiest months in Nasarawa are August, September, July, and June, with each month seeing an average of 12 inches of rainfall.