The weather in Sayulita generally is a bit milder than inside the Bahia de Banderas (home to Puerto Vallarta), which is 25 minutes south. November through April : temperatures around 27°C. Nights are often cool enough to need a sweater and jeans. The summer months are hurricane season – but are extremely rare on this stretch of coast. Summer temperatures in Sayulita average 35°C, with high humidity and rainstorms generally in the late afternoon/evening, which cools the air down for the night. August and September are the wettest months in Sayulita.
Ai temperaturer, ocean temperature, and rainfall charts for Sayulita, Mexico below.