Weather in Costa Rica

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Weather in Costa Rica

Because Costa Rica is located between eight and 12 degrees north of the Equator, the climate is Tropical year round. However, the country has many microclimates depending on elevation, rainfall, topography, and by the geography of each particular region.

Costa Rica's seasons are defined by how much rain falls during a particular period and not to the four seasons in the Northern Hemisphere. The year can be split into two periods, the dry season known to the residents as summer, and the rainy season, known locally as winter. The "summer" or dry season goes from December to April, and "winter" or rainy season goes from May to November, which almost coincides with the List of Atlantic hurricane seasons, and during this time, it rains constantly in some regions.

The location receiving the most rain is the Caribbean slopes of the Central Cordillera mountains, with an annual rainfall of over 5000 mm. Humidity is also higher on the Caribbean side than on the Pacific side. The mean annual temperature on the coastal lowlands is around 27°C, 20°C in the main populated areas of the Central Cordillera, and below 10°C on the summits of the highest mountains.

Costa Rica Weather Averages:

Months January February March April May June July August September October November December
High Temperature (C) 27 27 28 28 27 27 27 27 26 26 26 26
Low Temperature (C) 17 18 18 18 18 18 18 18 17 18 18 18
Precipitation (mm) 6.3 10.2 13.8 79.9 267.6 280.1 181.5 276.9 355.1 330.6 135.5 33.5
Average Percent Sunshine 40 37 39 33 25 20 21 22 20 22 25 34

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