Last updated: May 3, 2025
In Shangjiuwu, China, understanding the UV Index is crucial for protecting yourself from the sun’s harmful rays. With peak UV levels reaching as high as 10 in the midday hours, awareness is key to preventing sunburn and safeguarding your skin health. The region's Cwa climate, characterized by hot summers and variable precipitation, poses specific risks for UV exposure, particularly during those peak hours. By regularly checking the UV Index, residents and visitors can make informed decisions to enjoy outdoor activities safely while minimizing the risks associated with overexposure to sunlight.
As the sun rises, the UV Index gradually transitions from a mild 1 at 07:00 to an invigorating 3 by 08:00. The peak UV intensity hits its stride between 12:00 and 13:00, reaching a striking 10, a clear call for sun protection. As the afternoon progresses, the index begins to decline, tapering off to 8 at 14:00, 6 at 15:00, and eventually settling to a gentle 2 by 17:00. By evening, the UV levels dip back down, returning to a safe 1, indicating it's time to relax and enjoy the cooler, softer light of sunset.
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 | 10 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 6 | 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 |
The UV Index varies significantly throughout the year, with high-risk months identified from March to October. During this period, the index peaks in July and August at 11 (extreme), necessitating limited sun exposure and protective measures. Notably, April and May see UV levels classified as very high (8-10), where the burn time shortens substantially to 15 minutes. March introduces a transition phase with a high index of 7 and 25 minutes burn time, while the safer months of January, February, November, and December reflect moderate exposure levels (3-5) with a burn time of 30 minutes. To safeguard skin health, visitors and residents should prioritize sun protection, particularly from March through October, adopting strategies such as using sunscreen, wearing protective clothing, and seeking shade during peak hours.
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 |
Shangjiuwu | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 11 | 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 |