Taking the local weather in Guamiranga into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually December and January, with an average temperature of 21°C, while the coldest months are July and June, with an average of 15°C. The rainiest months in Guamiranga are January, October, December and February, with each month seeing an average of 184 mm of rainfall.