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.
Guide to Costa Rica weather in March. The average maximum daytime temperature in Costa Rica in March is a warm 25Â°C (77Â°F) with low heat & humidity. The average night-time temperature is usually a comfortable 16Â°C (61Â°F). There are usually 7 hours of bright sunshine each day, which represents 60% of the 12 hours of daylight.