Taking the local weather in Otón 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 September and August, with an average temperature of 13°C, while the coldest months are July and August, with an average of 12°C. The rainiest months in Otón are April, March, December and January, with each month seeing an average of 324 mm of rainfall.