Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Tehri, India, where the interplay of altitude and a Cwa climate can significantly elevate sun exposure risks. With peak UV levels soaring as high as 13 around midday, it's essential to grasp these values for effective sunburn prevention and to protect your skin health. By staying informed about UV levels, you can take proactive measures to enjoy the sunny, stunning landscapes of Tehri while safeguarding against the harmful effects of UV radiation. Whether you're hiking or simply enjoying the outdoors, being UV aware in this beautiful terrain is key to having fun safely!
As the sun rises, the UV Index begins at a modest 2 at 7:00 AM, signaling a gentle start to the day. By 8:00 AM, it spikes to 5, a clear indication that sun safety measures should be considered. The intensity peaks spectacularly at 10:00 AM with a high of 10, and it remains intense at 13 from 11:00 AM to 12:00 PM. As the afternoon unfolds, the index starts to decline, dropping to 12 at 1:00 PM and gradually easing to 9 by 2:00 PM. From 3:00 PM, the sun’s grip loosens further, with a UV Index of 6, and continues to fall to a low of 1 by 5:00 PM. By the time the sun sets at 7:00 PM, the index dips to 0, signaling the end of a day where sun protection was crucial during the peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal changes, with peak values occurring during the summer months. April through August are identified as high-risk months, exhibiting extreme UV levels of 11 to 13, with remarkably short burn times of just 10 minutes. March also poses a risk with a very high UV index of 10. As visitors and residents navigate these months, it is crucial to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Conversely, from November to February, the UV levels decrease to moderate and high categories, allowing for safer outdoor activities with longer burn times of 25 to 30 minutes. However, caution is still advised, particularly on sunny days. Overall, awareness of UV index fluctuations and appropriate precautions are essential for skin safety year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Tehri | 5 | 7 | 10 | 11 | 11 | 11 | 13 | 13 | 10 | 9 | 6 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |