UV Index
UV Index
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Today's UV index in Costa Rica, Peru 
will be up to 14.9, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
UV index at 14.9 in Costa Rica means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Costa Rica's tropical climate is characterized by high temperatures and high humidity year-round. The UV index reaches extreme levels, especially near the equator. The coastal regions experience a more moderate climate than the inland areas.
Costa Rica has two main seasons: the dry season from December to April, and the rainy season from May to November. The dry season brings clear skies and warm temperatures, while the rainy season brings frequent showers and mist. Regional variations occur, with the Caribbean coast experiencing a shorter dry season.
Compared to its neighboring countries, Costa Rica's climate is relatively mild. Nicaragua to the north has a hotter and more humid climate, while Panama to the south has a similar tropical climate. Peru's Región de San Martín, located in the northeastern part of the country, has a tropical savanna climate with high temperatures and high humidity, similar to Costa Rica's climate.