Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Longshan, China, where the climate offers a unique blend of warmth and humidity. The UV levels can reach their peak between 10 AM and 2 PM, with indices soaring as high as 10, indicating a significant risk of harm from unprotected sun exposure. By being aware of these UV levels, residents can take proactive steps to prevent sunburn and protect their skin health. With Longshan's climate classified as Cfa, summer days often bring intense sunlight, making it essential to stay informed about UV exposure risks to enjoy the outdoors safely.
The hourly UV Index reveals an intriguing pattern of sun exposure throughout the day. Starting at a mild level of 2 at 7:00 AM, the index gradually rises, peaking at an intense 10 between 11:00 AM and 1:00 PM. These prime hours of maximum UV intensity are ideal for sun safety measures, as the rays can be particularly harmful. After this midday surge, the UV Index begins to decline, falling to 5 by 3:00 PM and dwindling to 0 by 7:00 PM. It’s clear that planning outdoor activities around the midday hours is essential for staying safe under the sun!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | 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 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, peaking in the summer months. From January to March, the index gradually rises from a moderate level of 4 to a very high level of 8, indicating an increasing risk of sunburn. The high-risk months are notably April through August, where the UV Index is consistently very high to extreme, especially in June and July, reaching a peak of 11. During these months, the recommended burn time shrinks to as little as 10 minutes. It is crucial for both visitors and residents to take preventive measures, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, particularly from April to August. As fall approaches, the UV Index gradually declines, making November and December moderate months, where exposure is less critical but still requires attention.
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 |
Longshan | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 9 | 8 | 5 | 4 |
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 |