Taking the local weather in Duenas 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 May and April, with an average temperature of 27°C, while the coldest months are February and January, with an average of 25°C. The rainiest months in Duenas are July, October, September and December, with each month seeing an average of 279 mm of rainfall.