UV Index
UV Index
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Today's UV index in Havana, Cuba 
will be up to 6.1, indicating high risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
With Havana's UV index reaching 6.1, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
Read more here about the climate and sun exposure in and around Havana.
The UV index in Havana, Cuba ranges from moderate to high throughout the year. In the summer months of June, July, and August, the UV index can reach up to 11 (extreme), so it is important to take precautions and protect your skin from sunburn. In other months, the UV index ranges between 6 (high) and 9 (very high).
Havana, Cuba experiences two main seasons: the dry season and the rainy season. The dry season lasts from November to April, characterized by warm temperatures ranging from 20 °C (68 °F) to 27 °C (81 °F) and low humidity. The rainy season spans from May to October, with temperatures ranging between 25 °C (77 °F) and 31 °C (88 °F), high humidity, and occasional tropical showers or thunderstorms.
Compared to its region, Havana, Cuba enjoys a slightly cooler climate due to refreshing sea breezes. The region experiences a tropical savanna climate with distinct wet and dry seasons. The abundance of sunny days in Havana, averaging around 250 per year, provides an ample opportunity for sun exposure. It is important to use sunscreen and protective clothing to avoid harmful effects of excessive sun exposure in this vibrant city.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Havana. It's designed to provide you with a better understanding of the yearly weather and sun exposure.