Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Nandulehe, China, where exposure to ultraviolet radiation can vary significantly throughout the day. With a humid continental climate (Dwa), the region experiences periods of intense sun, particularly during peak hours, making awareness of UV levels vital for sunburn prevention and long-term skin health. As the UV Index can soar to a maximum of 10 around noon, knowing when to seek shade or apply sunscreen is essential for protecting your skin against harm and enjoying outdoor activities safely. Stay informed and keep your skin healthy in Nandulehe!
As the day begins, the UV Index starts gently at 2 at 7:00 AM, increasing steadily through the morning. By 10:00 AM, it peaks at a robust 8, marking the arrival of prime sun exposure. The intensity reaches its zenith from 11:00 AM to 1:00 PM, where it holds steady at a high 10, urging outdoor enthusiasts to take precautions against harmful rays. After this midday height, the UV Index begins its descent, tapering to 8 by 2:00 PM, then gradually dwindling to 4 by 4:00 PM. As the evening approaches, values drop further to 2 and finally to 1 by 6:00 PM, signaling a safe retreat from the sun's influence. Staying aware of these fluctuations can help protect against overexposure while enjoying the outdoors!
| 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 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 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 | 1 | low | 45 min |
Throughout the year, UV levels vary significantly, impacting both visitors and residents. January and December present the lowest UV Index values (2), categorized as low, allowing for longer exposure times of up to 45 minutes without severe risk of sunburn. As spring approaches, February and March see a rise to a moderate UV Index of 4-5, with burn times decreasing to 30 minutes. However, from April through September, the UV Index peaks at 9-10, classified as very high, necessitating caution as burn times drop to just 15 minutes. Notably high-risk months are July and August, with the maximum UV Index of 10. As the year progresses into October with a high exposure category UV Index of 6 and a burn time of 25 minutes, concerns remain before winter returns to moderate levels in November. To protect against UV-related damage, it is crucial for everyone to be sun-smart, especially during high-risk months. Utilize shade, wear protective clothing, and apply sunscreen regularly when outdoors, particularly from spring to early fall.
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 |
| Nandulehe | 2 | 4 | 5 | 9 | 9 | 9 | 10 | 9 | 8 | 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 |
| 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 |