Last updated: June 2, 2025
In Dangchengwan, China, awareness of the UV Index is crucial for protecting your skin against harmful radiation. Understanding UV levels can significantly aid in preventing sunburn and maintaining overall skin health, especially in a climate like Dangchengwan's, classified as BWk (arid), where UV exposure can be intense. With peak UV levels often reaching an alarming 12 around midday, residents and visitors alike should stay informed and take necessary precautions to enjoy the sun safely while minimizing skin damage.
The UV Index throughout the day showcases a remarkable rise and fall, revealing the sun’s intensity. Starting the morning gently, it peaks at 8:00 AM with a mild 1, gradually climbing to a moderate 3 by 9:00 AM. As the sun ascends, the index surges to 6 at 10:00 AM, hitting a sweltering peak of 11 at 12:00 PM. The zenith occurs at 1:00 PM and 2:00 PM, where it reaches an adrenaline-pumping 12, signaling a crucial time for sun protection. The intensity begins to wane in the afternoon, declining to 8 by 4:00 PM, and tapering down further to 2 by 7:00 PM. This data highlights a typical sunny day where proactive sun safety measures are essential during the midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV exposure varies significantly, with a noticeable increase in risk during the warmer months. January and December see a moderate UV Index of 3, with a burn time of 30 minutes. Risk amplifies in February to a moderate UV Index of 5, where exposure time remains short. From March to August, the UV Index escalates dramatically, peaking at 12 during the summer months. This period categorizes exposure as extreme, necessitating limited sun exposure—down to 10 minutes for those with sensitive skin. The high-risk months are clearly May, June, July, and August. As we transition into September, the index remains very high at 10, reducing burn time back to 15 minutes. October presents a slight decline to a high index of 7, while UV levels taper off to moderate levels again in November and January. Visitors and residents are strongly advised to take precautions during high UV months by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours, especially from May to August.
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 |
| Dangchengwan | 3 | 5 | 8 | 10 | 12 | 12 | 12 | 12 | 10 | 7 | 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 |