Last updated: June 2, 2025
Understanding the UV Index in Nanyang, China is crucial for your health and well-being, especially in a region characterized by its humid subtropical climate. With UV levels often peaking at 11 during the midday hours, awareness of these measurements is essential for preventing sunburn and safeguarding your skin health. Knowing when the UV Index is high allows residents and visitors to take proactive measures, such as seeking shade or applying sunscreen, to mitigate the risks associated with overexposure. By familiarizing yourself with the UV trends in Nanyang, you can enjoy the outdoors while prioritizing your safety against harmful UV radiation.
The UV Index throughout the day paints a vivid picture of sun intensity. It begins with a mild reading of 2 at 07:00, gradually rising to a moderate 4 by 08:00. As the sun reaches its peak, the index surges to a striking 9 at 10:00, hitting a maximum of 11 at both 11:00 and 12:00—a clear indication to seek shade or apply sunscreen. The intensity then begins to dip, falling to 10 at 13:00, before gradually decreasing to 8 at 14:00. By 15:00, the index declines to 5, and as evening approaches, it settles at 2 by 17:00, before tapering off to 1 at 18:00 and finally reaching 0 at 19:00. This hourly trend highlights the importance of midday sun protection, ensuring a safe and enjoyable outdoor experience.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 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 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The seasonal UV changes indicate a significant increase in UV exposure as the year progresses, with high-risk months being from March to October, where the UV Index reaches as high as 11 (extreme). Specifically, May to August poses the greatest risk, with a burn time of just 10 minutes in direct sunlight. Residents and visitors are advised to take precautionary measures during these months, including wearing protective clothing, sunglasses, and sunscreen to mitigate harmful effects. As the UV Index begins to decline in September, it remains important to stay vigilant until it drops to more moderate levels by December, when the burn time increases to 30 minutes again.
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 |
Nanyang | 5 | 6 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 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 |