Last updated: May 3, 2025
In Jiulongshan, China, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding the UV levels can significantly aid in preventing sunburns and maintaining long-term skin health. Jiulongshan, located in a Cwa climate zone, experiences a unique blend of humidity and seasonal variations, leading to varying UV exposure risks throughout the year. With peak UV Index readings reaching as high as 11 around noon, it's essential for residents and visitors alike to stay informed and take proactive measures to shield themselves from potential skin damage during their outdoor activities.
At dawn, the UV Index starts at a gentle 1 and gradually rises as the sun climbs higher in the sky. By 09:00, it reaches a moderate 4, signaling a good time to enjoy some outdoor activities while still being cautious. However, between 11:00 and 13:00, the UV Index peaks dramatically at 10 and 11, marking the hours of highest intensity when sun safety measures are crucial. As the afternoon progresses, it slowly declines to 8 at 15:00, offering a bit of relief before dropping further to 3 by 17:00. As daylight wanes, the UV Index returns to a low 1 by 19:00, making it safe to enjoy the evening outdoors without concern for UV exposure.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | 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 exposure levels fluctuate notably, with high-risk months primarily from March to September, where values are categorized as very high to extreme. Specifically, May and June see the peak UV Index of 12, resulting in a burn time of only 10 minutes. March and April also present serious risks with UV indexes reaching 8 and 10, respectively. As a result, it is crucial for both visitors and residents to take protective measures during these months, such as wearing sunscreen with high SPF, donning protective clothing, and seeking shade, particularly between 10 AM and 4 PM when the sun's rays are strongest. Conversely, January, November, and December offer moderate to high exposure levels, allowing for more manageable sun exposure when precautions are taken.
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 |
Jiulongshan | 5 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 11 | 9 | 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 |