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Today's UV index in Costa Rica, Mexico will be up to 11.6, 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 11.6 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 UV index is generally high, ranging from 9 to 11, due to its proximity to the equator. The tropical climate means intense sunlight year-round, with little seasonal variation.
Costa Rica has two main weather seasons: the dry season from December to April, and the rainy season from May to November. This pattern is similar to neighboring countries in Central America, such as Nicaragua and Panama.
In comparison to Chiapas, Mexico, Costa Rica's climate is more tropical and humid. Chiapas has a more varied climate, with cooler temperatures in the highlands and a more pronounced dry season. Costa Rica's weather is generally warmer and more consistent than Chiapas'.