Last updated: August 1, 2025
Understanding the UV Index in Yumen, China is vital for safeguarding your skin and overall health in this sunny and dry climate. With UV levels peaking at a significant 11 around midday, awareness of these measurements can help prevent painful sunburns and longer-term skin damage, ensuring you enjoy the outdoors while taking necessary precautions. The BWk climate of Yumen, characterized by low humidity and abundant sunshine, amplifies ultraviolet rays, making it crucial to track and understand local UV exposure risks. Stay informed, and keep your skin safe under the rays!
The hourly UV Index paints a vivid picture of the sun's intensity throughout the day. Starting off gently in the early morning, with maximum readings of 1 at 07:00 and 08:00, it gradually begins to climb. By 09:00, it reaches 3, signaling a noticeable increase in UV exposure. The sun peaks dramatically at 12:00, soaring to a 10, reaching its zenith with a maximum of 11 at both 13:00 and 14:00—a prime time for sun protection. As the afternoon slips into evening, the UV Index begins to recede, dropping to 8 by 16:00, and then tapering off to 5 at 17:00. The day winds down with a safe 3 at 18:00 and returns to a manageable 1 by 19:00, reminding us to stay vigilant and enjoy the sun responsibly throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels fluctuate significantly, with high-risk months primarily occurring from March to August. In March, the UV Index reaches 7, categorized as high, and this escalates to a peak of 12 in June, where the exposure is classified as extreme. Notably, May and June are critical months for sun safety, with burn times as short as 10 minutes. As the summer wanes, although the index decreases, September still maintains a very high level at 8, where burn time is 15 minutes. From October to December, conditions moderate, returning to a safe exposure level with a UV Index of 4 in November and December, allowing for longer burn times of 30 minutes. Visitors and residents alike are encouraged to take precautions during high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently to mitigate the risks associated with UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Yumen | 3 | 4 | 7 | 9 | 11 | 12 | 11 | 10 | 8 | 6 | 4 | 3 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |