UV Index
UV Index
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Today's UV index in Kathmandu, Nepal 
will be up to 5.4, 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 5.4 in Kathmandu, 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 Kathmandu, Nepal, can reach very high levels during the spring and summer months, posing a significant risk of sun damage. It's essential to stay informed about the daily UV index and take necessary precautions.
Kathmandu experiences four distinct seasons: winter, spring, summer, and monsoon. Winter, from December to February, is cool and foggy, while spring, from March to May, is warm and dry. Summer, from June to August, is accompanied by the monsoon season, making it wet and humid. Autumn, from September to November, is cool, clear, and dry, offering the best weather.
Compared to its region and neighboring countries, Kathmandu's climate is relatively mild. Surrounding Himalayan peaks have a cold and snowy climate, while the southern lowlands, known as the Terai, are hot and humid. Surrounding countries like India and Bhutan have similar seasons but often experience more extreme temperatures and rainfall.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Kathmandu. It's designed to provide you with a better understanding of the yearly weather and sun exposure.