Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sanxing, China, where the climate features warm summers and mild winters under the Cfa classification. With peak UV levels reaching a staggering 11 around noon, awareness of these UV indicators is vital for preventing sunburn and protecting skin health. Regularly checking UV levels helps mitigate risks associated with prolonged sun exposure, ensuring that you enjoy the sunny weather while safeguarding your skin. Embrace the outdoors, but remember that in Sanxing, strong UV rays can pose significant risks, especially during the peak hours.
The UV Index data reveals an intriguing daily pattern in sun exposure. Starting the day at a modest 2 at 7:00 AM, the index climbs steadily, peaking during the late morning to early afternoon. At 11:00 AM and 12:00 PM, it reaches an intense 11, signaling a high risk of harm from unprotected sun exposure. As the sun begins its descent, the index gradually decreases, dropping to 8 by 2:00 PM and further down to 5 at 3:00 PM. By 6:00 PM, the UV Index falls to a gentle 1, and by 7:00 PM, it tapers off completely, hitting 0. This data underscores the importance of sun safety during peak hours, particularly between 10:00 AM and 2:00 PM, when the UV levels are at their highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the most intense exposure occurring in the summer months. From June to August, the UV Index reaches an extreme level of 11, necessitating a burn time of just 10 minutes for unprotected skin. The spring months of March to May also present very high levels of UV radiation, with values peaking at 10, allowing only 15 minutes of exposure before risking sunburn. Conversely, the winter months of January and December show a moderate UV Index of 4, with a safer burn time of 30 minutes. **Visitors and residents are advised to take extra precautions from February to October, especially during the peak summer months when UV exposure poses the highest risks. It is essential to use sun protection measures such as sunscreen, clothing, and shade to minimize harmful effects on the skin.
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 |
| Sanxing | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |
| 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 |