UV Index
UV Index
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Today's UV index in Havana, Cuba 
will be up to 5.1, indicating a moderate 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.
With a UV index reaching up to 5.1 in Havana, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Havana, Cuba, is often very high due to its tropical location. On clear days, the UV index can reach extreme levels, so it's essential to protect your skin if you're outside for extended periods.
Havana has two main seasons: the dry season from November to April and the wet season from May to October. The dry season is typically cooler and less humid, while the wet season is hotter and characterized by afternoon showers and thunderstorms.
Compared to its region and neighboring countries, Havana's weather is relatively consistent. While the Caribbean is known for its hurricanes, Havana's position on the island's northwest coast makes it less hurricane-prone than other Caribbean destinations. Similarly, Havana is usually warmer and sunnier than its neighbor to the north, the United States, during the winter months.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Havana. It's designed to provide you with a better understanding of the yearly weather and sun exposure.