Taking the local weather in Rabinal 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 April and May, with an average temperature of 20°C, while the coldest months are January and February, with an average of 17°C. The rainiest months in Rabinal are September, June, August and October, with each month seeing an average of 520 mm of rainfall.