Taking the local weather in Guapiara 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 February, with an average temperature of 22°C, while the coldest months are July and June, with an average of 16°C. The rainiest months in Guapiara are January, February, December and November, with each month seeing an average of 210 mm of rainfall.