Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Wan'an, China, where the sun's rays can be particularly intense. With a typical BSk climate characterized by dry conditions and plenty of sunshine, awareness of UV levels helps protect against sunburn and long-term skin health issues. On clear days, like those often experienced here, the UV Index can peak as high as 11, indicating extreme exposure risk during midday hours. By staying informed about the UV Index, you can enjoy the outdoors safely while keeping your skin protected.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it climbs to a moderate 3, signaling an increase in sun exposure. The peak arrives between 12:00 PM and 1:00 PM, hitting a striking 11, where protective measures are essential. As the afternoon rolls in, the index gradually declines, dipping to 9 at 2:00 PM and then down to 5 by 4:00 PM. As the day winds down, it returns to a safe 1 by 6:00 PM, wrapping up a day marked by a significant solar intensity that calls for vigilance during the 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 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 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, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. High-risk months typically occur from March to September, peaking in June with an extreme UV Index of 11. During this time, burn time can be as short as 10 minutes, underscoring the importance of protective measures. Visitors and residents are strongly advised to wear sunscreen, protective clothing, and seek shade during peak hours, especially in the very high and extreme categories. As we transition into fall and winter, the UV Index drops to moderate levels in November and December, allowing for safer outdoor activities, but vigilance is still warranted.
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 |
Wan'an | 3 | 5 | 7 | 8 | 10 | 11 | 10 | 9 | 8 | 7 | 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 |