Taking the local weather in Guaira 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 January and December, with an average temperature of 25°C, while the coldest months are July and June, with an average of 18°C. The rainiest months in Guaira are October, February, December and January, with each month seeing an average of 202 mm of rainfall.