Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Chengxiang, China, where the Cwa climate brings a mix of hot summers and mild winters. Awareness of UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. With UV indexes peaking at a high of 12 during midday, it's vital to be informed about the potential risks of excessive sun exposure. By understanding the UV index in Chengxiang, you can take proactive steps to protect your skin and enjoy the sunshine safely!
The UV Index varies significantly throughout the day, peaking from 12:00 PM to 1:00 PM with a striking 12. Early morning starts off mild, reaching a maximum of 1 at 7:00 AM before climbing through the hours. At 9:00 AM, it hits 5, and by 10:00 AM, it intensifies to 8. The sun's intensity continues to rise, attaining its highest points at 11:00 AM and 12:00 PM, with the index hitting 10 and 12, respectively. As the afternoon progresses, a gradual decline begins; by 3:00 PM, it dips to 8, then further to 5 at 4:00 PM. The UV Index settles back down to 3 by 5:00 PM and returns to 1 as evening approaches, illustrating the importance of sun protection, particularly during the peak hours of midday.
| 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 | 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 | 10 | very high | 15 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 |
Throughout the year, UV Index levels exhibit significant seasonal variations, reaching their peak during the summer months. January begins with a moderate UV Index of 5, with a burn time of 30 minutes. As we move into February and March, the UV Index rises to 7 (high) and 9 (very high), reducing the burn time to 25 and 15 minutes respectively. By April, the index escalates to 11 (extreme) with a burn time of just 10 minutes, remaining at this extreme level through June and July, where it peaks at 13. August sees a slight decrease to 12, followed by September at 11 and October at 9 (very high), with burn times each remaining at 10 to 15 minutes. In November, the index drops back to 7 and returns to 5 by December, representing moderate exposure. High-risk months are notably from April to September, during which UV exposure can lead to skin damage in a matter of minutes. Residents and visitors should take precautions, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours, particularly between late spring and early fall, to safeguard against potential sunburn and skin damage.
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 |
| Chengxiang | 5 | 7 | 9 | 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 |