Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Zhongtou, China, where the typical Cwa climate can bring high ultraviolet radiation levels, especially during the summer months. Understanding UV levels is essential for effective sunburn prevention and overall skin health, as even short periods of overexposure can lead to lasting damage. With midday UV Index readings peaking at 11, which indicates a very high risk of harm from unprotected sun exposure, it’s important to stay informed and take protective measures. By keeping track of the UV Index, you can enjoy the sunny days in Zhongtou while safeguarding your skin for the long term.
The UV Index reveals a striking daily rhythm, peaking during the midday hours. Starting at a low of 1 at 07:00, the index gradually climbs, reaching 3 by 08:00. As the sun rises higher, the UV exposure intensifies, surging to 7 by 10:00 and hitting a significant 10 at 12:00. The maximum UV exposure occurs at 13:00, topping out at 11, making it crucial for outdoor activity enthusiasts to take heed and protect their skin. Following this peak, the index begins to decline, easing to 9 at 14:00 and tapering off throughout the late afternoon, ultimately returning to 1 by 19:00. This data underscores the importance of sun safety, especially during those peak 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | 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 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with peak values from March to October. The high-risk months are typically April through September, where the UV Index ranges from 8 to 11, indicating very high to extreme exposure levels. Notably, July stands out as the month with the highest risk, featuring a UV Index of 11 and a dangerously short burn time of just 10 minutes. Visitors and residents are strongly advised to take precautions during these months, such as wearing protective clothing, using sunscreen with a high SPF, and seeking shade, particularly during midday hours, to minimize the risk of skin damage. In contrast, January, February, November, and December present moderate UV levels, where burn times extend to 30 minutes, thereby requiring less immediate concern but still warranting sun protection measures.
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 |
| Zhongtou | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 10 | 9 | 8 | 4 | 3 |
| 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 |