Whether you're visiting the Osa Peninsula in Costa Rica during the peak of March (30°C (86°F)) or the cooler months around November (27°C (81°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Puerto Jiménez, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
the Osa Peninsula experiences varying average temperatures all year, without any months of consistently pleasant weather.
Precipitation in the Osa Peninsula varies considerably throughout the year. The wettest conditions occur in October with 673 mm (26 in) of rain, while February stays relatively dry with 69 mm (2.7 in).
