Weather will likely play an important role when you plan your trip to Pueblo Nuevo, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and February, with an average temperature of 28°C, while the coldest months are December and January, with an average of 27°C. The rainiest months in Pueblo Nuevo are October, September, June and May, with each month seeing an average of 369 mm of rainfall.