Taking the local weather in Glan 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 March and April, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Glan are June, May, July and January, with each month seeing an average of 324 mm of rainfall.