Average monthly temperatures
Costa Rica has a tropical climate with high temperates throughout the year, as with most tropical destinations there are both dry and rainy seasons, although even during the wetter months there are usually plenty of hot perfect sunny days and any rainfall usually comes in heavy showers which clear quickly.
The best time to visit is between December and March when sunshine and temperatures are at there best and rainfall is lowest.
The hottest month of the year is April with an average daily maximum of 36 C and an average low of 23 C.
The coolest month of the year is October with an average daily maximum of 31 C and an average low of 23 C.
Sunshine and rainfall
The driest month is January with 0 mm of rainfall and 31 perfect sunny days. The wettest month is October with 125 mm of rain over 5 days.