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.
Costa Rica's varies from place to place, from micro-climates to macro-climates, and from the rainy season to the dry season. Essentially, weather in Costa Rica is dependent on where you are and what time of the year it is. Even so, Costa Rican weather can offer unexpected surprises. The temperature in Costa Rica is closely related to the elevation. The low lying Pacific Coast is generally very hot and dry; however, during the rainy season, it is common to have rain in the afternoon, and occasionally a cloudy, humid day.