Costa Rica is a tropical country with pleasant temperatures all year. The country  average temperature is 22° C (72° F), with coastal temperatures of up to 27°C (81°F) and high altitude temperatures that reach 15°C (57°F). Costa Rica has two distinct seasons: the dry season which runs from December to April and the green season which runs from May to November. During the green season you can expect sunny mornings and rainy afternoons.