UV Index
UV Index
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Today's UV index in Thimphu, Bhutan 
will be up to 12.1, 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 12.1 in Thimphu 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 Thimphu, Bhutan is on average highest during the summer months, reaching a level of 9-10. This is considered very high and can be harmful to unprotected skin.
Thimphu experiences four distinct seasons: a cool, dry winter from December to February; a wet, warm spring from March to May; a humid, hot summer from June to August; and a dry, mild autumn from September to November.
Compared to its region and neighboring countries, Thimphu has a more moderate climate due to its higher altitude. While the Indian subcontinent experiences extreme heat during the summer, Thimphu remains relatively cool. Similarly, during the winter, when temperatures in nearby Tibet can drop to -15°C, Thimphu's temperatures rarely fall below freezing.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Thimphu. It's designed to provide you with a better understanding of the yearly weather and sun exposure.