DAILY CLIMATE REPORT - issued daily: Detailed daily weather statistics (usually for yesterday), including temperature, precipitation, degree days, wind, humidity, sunrise/sunset, and record temperature data for the following day.
In Costa Rica the average annual temperature is around 21 to 27 degrees Celsius or 70 to 81 degrees Fahrenheit and the coolest months of the year are November, December and January. The months March through May are the hottest months of the year, so make sure you protect yourself from the sun.
Conversely, in the North Pacific, prepare for lower humidity levels, but temperatures that often soar into the 90s during Costa Rica's dry months. Best Months to Visit U.S. News editors analyzed weather and price trends to recommend the top times to visit.