UV Index
UV Index
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Today's UV index in Thimphu, Bhutan 
will be up to 11.2, indicating extreme 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.
UV index at 11.2 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.
Read more here about the climate and sun exposure in and around Thimphu.
The UV index in Thimphu, Bhutan ranges from moderate to high throughout the year. On average, it stays around 6 or 7 (moderate to high) during the summer months. However, it can go up to 9 or even 10 (very high to extreme) on clear and sunny days. It is essential to protect your skin from the harmful effects of the sun by wearing sunscreen and appropriate clothing.
Thimphu experiences four distinct seasons - spring, summer, autumn, and winter. Spring (March to May) is mild with temperatures ranging between 15 °C to 25 °C (59 °F to 77 °F). Summer (June to August) is warm and humid with temperatures averaging around 20 °C to 30 °C (68 °F to 86 °F). Autumn (September to November) is pleasant and cool, spanning temperatures between 15 °C to 25 °C (59 °F to 77 °F). Winter (December to February) is cold with temperatures dropping to as low as -5 °C to 10 °C (23 °F to 50 °F).
Compared to many other regions, Thimphu enjoys relatively moderate levels of sun exposure. Due to its higher altitude and mountainous surroundings, Thimphu experiences cooler temperatures and less intense sunlight than lower-lying areas. However, it is important to note that even with moderate sun exposure, protection from UV rays is still crucial to avoid sunburns and long-term skin damage. Wearing sun protection and being mindful of the UV index is necessary for enjoying the weather while keeping ourselves protected.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Thimphu. It's designed to provide you with a better understanding of the yearly weather and sun exposure.