What is the weather in Arenal Volcano like?
Nearly 16 feet (5,000 mm) of rain falls on parts of Arenal yearly. Expect rain at any time of the year, but the wettest months are June through October, and the driest are February through April, and occasionally November. Yearly average temperature is 75 °F (22°C), and there is no drastic change in temperature troughout the year.