Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Shangdang, China, where sunny days are common and exposure to ultraviolet radiation can be significant. With peaks reaching 11 during midday, recognizing these UV levels is essential for effective sunburn prevention and maintaining healthy skin. The Cfa climate of Shangdang brings warm summers that can elevate risks associated with prolonged sun exposure, making it vital to stay informed about UV readings. By keeping an eye on the UV Index, you can enjoy the beautiful weather while protecting your skin from potential harm.
As the sun rises, the UV Index starts off low at 2 by 7:00 AM, gradually climbing to 3 by 8:00 AM. The intensity peaks dramatically by 12:00 PM, reaching an impressive 11, signaling the height of midday sun. For the next hour, the index remains robust at 10, but begins to taper off thereafter. The numbers drop to 8 at 2:00 PM, then decline further to 5 by 3:00 PM. As the day transitions toward evening, the UV levels fall to 3 at 4:00 PM, then gently descend to 1 by 5:00 PM, finally tapering off to 0 by 7:00 PM. This data highlights the importance of sun safety during the peak hours between 10:00 AM and 2:00 PM, when protective measures are crucial!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 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 | 1 | 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 |
| Shangdang | 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 |