UV Index
UV Index
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Today's UV index in Kotte, Sri Lanka 
will be up to 10.9, indicating very 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 a UV index of 10.9 in Kotte, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Read more here about the climate and sun exposure in and around Kotte.
The UV index in Kotte, Sri Lanka, can vary throughout the year. It is usually high, reaching between 8 and 11 during the months of April to September. This means that it takes less time for unprotected skin to burn under the sun. It is important to use sunscreen, protective clothing, and seek shade during peak hours to reduce the risk of harmful sunburns.
Kotte experiences two main seasons: the Southwest Monsoon and the Northeast Monsoon. The Southwest Monsoon occurs from May to September, bringing heavy rainfall and cooler temperatures, ranging from 25 °C to 28 °C (77 °F to 82 °F). The Northeast Monsoon lasts from December to February, with milder temperatures ranging from 22 °C to 26 °C (72 °F to 79 °F) and lighter rainfall.
Compared to other regions in Sri Lanka, Kotte generally experiences a higher sun exposure due to its proximity to the equator. This results in warmer temperatures all year round, with an average annual temperature of about 27 °C (81 °F). Additionally, the UV index tends to be higher in Kotte compared to other parts of the country, so precautionary measures against sunburns are essential for outdoor activities.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Kotte. It's designed to provide you with a better understanding of the yearly weather and sun exposure.