Taking into account the local weather in Mojuí dos Campos can help you maximize your time at the pool during your trip. The hottest months are usually September and October with an average temp of 84°F, while the coldest months are January and February with an average of 79°F. The rainiest months in Mojuí dos Campos are April, March, February, and May, with each month seeing an average of 22 inches of rainfall.