There is no “winter” to speak of govisitcostarica.com/travelInfo/climate.asp where the average annual temperature is 81 degrees Learn more at govisitcostarica.com There is no “winter” to speak of where the average annual temperature is 81 degrees where the average annual temperature is 81 degrees Learn more at govisitcostarica.com more... Learn more at govisitcostarica.com this chart Go Visit Costa Rica: Climate