You can plan your beach trip with this snapshot of year-round temperatures in Cavancha: The hottest months are usually February and January with an average temp of 70°F, while the coldest months are August and July with an average of 61°F. From January through March, the daytime average is 79°F and the nighttime average is 64°F. Between April and June, temperatures average 75°F during the day and 55°F at night. July through September averages 70°F during the day and 53°F at night. In October-December, the average temperature is 75°F during the day and 56°F at night.