UV Index
UV Index
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Today's UV index in Kotte, Sri Lanka 
will be up to 11.9, 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 11.9 in Kotte 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.
The UV index in Kotte, Sri Lanka, can reach very high levels, especially during the dry season. It is important to protect yourself from the strong sun rays during this time.
Kotte experiences two main seasons: a dry season from May to September and a wet season from October to January. The temperature remains warm year-round, with average highs in the mid-80s°F (upper 20s°C) and lows in the mid-70s°F (lower 20s°C).
Compared to its region and neighboring countries, Kotte's weather is relatively stable due to its location in the wet zone of Sri Lanka. While other parts of Sri Lanka and the Indian subcontinent may experience more extreme weather patterns, Kotte has a more consistent climate, with frequent rainfall and high humidity throughout the year.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Kotte. It's designed to provide you with a better understanding of the yearly weather and sun exposure.