Last updated: June 2, 2025
In Xiaonanhai, China, awareness of the UV Index is crucial for protecting skin health and preventing sunburn. As this beautiful region basks in a Cfa climate, it regularly encounters elevated UV levels, particularly during the midday hours when the index soars to 12. Understanding the UV Index not only helps you plan your outdoor activities safely but also empowers you to take necessary precautions to shield yourself from harmful UV rays. With values peaking at 10-12, knowing when to seek shade or wear protective clothing can make all the difference in preserving your skin's health while enjoying Xiaonanhai's sunny allure.
The UV Index throughout the day showcases a stark increase as the sun rises, starting from a mild 1 at 07:00 and peaking at a striking 12 between 12:00 and 13:00. This significant surge highlights the importance of sun protection, especially during the hours when the index reaches maximal levels of 10 at 11:00 and 11 at 14:00. As the afternoon wanes, the UV Index begins to decline, dropping to 8 by 15:00 and finishing the day with a gentle return to 1 by 19:00. This data serves as a crucial reminder to prioritize sun safety during midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index displays significant seasonal changes, indicating varying levels of sun exposure risk throughout the year. January and February start with a high UV Index (6-7) where unprotected skin can burn within 25 minutes. The risk escalates dramatically from March to September, peaking in July with an extreme UV Index of 13 and a burn time of just 10 minutes. Visitors and residents should take extra precautions during these summer months, ensuring they wear adequate sunscreen and protective clothing. In contrast, October and November see a decrease in UV levels (9 and 7, respectively), but caution is still necessary as burn times remain relatively short at 15-25 minutes. By December, the UV Index lowers to 5, categorizing exposure as moderate, allowing more time—30 minutes—before burning occurs. It’s essential for everyone to stay informed on local UV levels and adjust sun safety practices accordingly throughout the year.
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 |
| Xiaonanhai | 6 | 7 | 10 | 11 | 12 | 12 | 13 | 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 |