Last updated: August 1, 2025
Awareness of the UV Index is crucial for residents and visitors in Chengshang, China, where the Cfa climate brings sunny days with varying levels of ultraviolet radiation. Understanding UV levels is essential for protecting your skin from harmful sunburn and maintaining overall skin health. With peak UV Index readings reaching as high as 12 during midday, the risks of overexposure are significant. As you explore Chengshang's beautiful outdoors, staying informed about the UV Index ensures you can enjoy the sun safely while avoiding potential skin damage. Remember, knowledge is your best defense against the sun’s rays!
During the morning hours, the UV Index starts off low at 1 at 7:00 AM, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the intensity ramps up, peaking at 12 around 12:00 PM and 1:00 PM, suggesting a high risk for harm, especially for those spending extended periods outdoors. Post-peak, the index gradually declines, dropping to 7 at 3:00 PM and further down to 1 by 7:00 PM, which indicates a return to minimal risk as the sun sets. For sun enthusiasts, midday offers the most intense UV radiation, making sun protection essential during those hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk typically occurring from May to September. During this period, the UV Index reaches an extreme level of 12, resulting in a burn time of just 10 minutes. Notably, June, July, and August maintain this extreme rating, making these the most critical months for sun safety. Given that February to April also present very high levels, with UV Index values of 8 to 10 and burn times as low as 15 minutes, individuals are advised to exercise caution and take protective measures against sun exposure. In contrast, the winter months offer lower risk, with December seeing a moderate UV Index of 5 and a burn time of 30 minutes. Therefore, visitors and residents should remain vigilant during the high-risk months, wearing sunscreen, hats, and protective clothing to minimize sun-related health issues.
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 |
| Chengshang | 6 | 8 | 10 | 10 | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |
| 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 |