Weather is probably a major factor when you plan your trip to Reserva, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually December and January, with an average temperature of 22°C, while the coldest months are July and June, with an average of 16°C. The rainiest months in Reserva are January, December, October and February, with each month seeing an average of 225 mm of rainfall.