March in Puerto Viejo de Sarapiquí is the sunniest month of the year. In March, the weather in Puerto Viejo de Sarapiquí is typically hot. Average daily high temperature in March is about 29 degrees above zero. On average, Puerto Viejo de Sarapiquí has 16 partly cloudy, 12 sunny, 2 rainy, and 1 cloudy day in March. The rains are usually light. March as well as February is considered the most comfortable time to visit Puerto Viejo de Sarapiquí.