Taking the local weather in Arrayanal 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 August and September, with an average temperature of 17°C, while the coldest months are January and December, with an average of 16°C. The rainiest months in Arrayanal are May, April, October and June, with each month seeing an average of 757 mm of rainfall.