Last updated: July 2, 2025
In Hor, China, awareness of the UV Index is crucial due to the region's Dwc climate, characterized by distinct seasonal variations that can significantly affect sun exposure. Understanding UV levels is essential for preventing sunburn and maintaining long-term skin health, especially during peak hours when the index reaches dangerously high levels. With UV values soaring to 15 by early afternoon, it’s vital for residents and visitors to stay informed about these risks, ensuring safer outdoor activities and better skin protection strategies year-round.
As the sun rises, the UV Index begins its climb, starting at a modest 1 by 07:00. By 08:00, it reaches 2, signaling a gradual increase in sun exposure. The real spike occurs by 10:00, where it soars to 7, and by 11:00, it hits 11, indicating very high risk for harm from unprotected sun exposure. The peak of the day arrives at 12:00, with an alarming 13 and continues to reach its maximum of 15 at 13:00, showcasing the intensity of midday sun. As the afternoon unfolds, the index gradually descends, registering 14 at 14:00 and tapering down to 9 by 16:00. By the time evening sets in, the index decreases to a more manageable 3 at 18:00, and finally drops back to 1 by 19:00. Be mindful of these fluctuations to stay safe in the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index fluctuates significantly throughout the year, with the highest levels occurring during late spring and summer months. March marks the start of high-risk months, with an index of 10 and a burn time of just 15 minutes. The peak of intensity reaches 15 from May to July, categorized as extreme, where skin can burn in as little as 10 minutes. Subsequently, August and September maintain high levels, dropping slightly to 14 and 13, respectively. October starts to decline, yet still presents a risk with a UV Index of 9. Lower risk months include January and December, where moderate exposure is noted with indices of 4 and burn times of 30 minutes. Visitors and residents should take precautions during high-risk months by wearing protective clothing, using sunscreen, and limiting sun exposure, particularly during midday hours.
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 |
| 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 |
| Hor | 4 | 6 | 10 | 13 | 15 | 15 | 15 | 14 | 13 | 9 | 7 | 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 |