Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Beidaihehaibin, China, especially given its sunny Dwa climate, which brings high levels of UV radiation for significant portions of the day. With UV Index levels spiking to an impressive 11 at noon, being aware of the sun's intensity can help you take necessary precautions to prevent sunburn and maintain your skin health. Awareness of UV levels empowers you to enjoy outdoor activities safely while protecting against harmful effects that can lead to skin damage over time. Stay informed and enjoy the beach with confidence!
The UV Index paints a vivid picture of the sun’s strength throughout the day. Starting at a modest 2 at 07:00, the index gradually climbs as the sun ascends, reaching 4 by 08:00. By 09:00, it spikes to 6, and before long, it peaks at an impressive 11 at 12:00, marking the most intense exposure. The afternoon starts to cool slightly, with the index dropping to 10 by 13:00 and then tapering off through 8 at 14:00, 6 at 15:00, and back to 4 at 16:00. As the sun begins its descent, the UV Index falls to 2 by 17:00, lingering at 1 through the evening hours, creating a gentle reminder to enjoy the sun but also to stay mindful of its intensity during 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 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 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 | 1 | low | 45 min |
As the year progresses, the UV Index shows notable seasonal changes, indicating varying levels of sun exposure and associated health risks. January and December have a low exposure category with an index of 2, allowing for 45 minutes of safe sun exposure. By February, the UV Index rises to 4, marking a shift to moderate exposure, while March and April reach a high exposure level of 6 and 7, respectively, with a reduced burn time of 25 minutes. The months of May and June hit a very high index of 8 and 10, requiring more caution with just 15 minutes of safe exposure. July presents the greatest risk, with an extreme UV Index of 11, necessitating vigilance with only 10 minutes of burn time. As summer wanes, August sees a slight decrease to 9, followed by high exposure levels again in September (7) and October (6), with increased burn times of 25 minutes. The risk lowers again in November. Visitors and residents are advised to take appropriate precautions, such as wearing sunscreen, protective clothing, and hats, especially during the high-risk months of May through August when the UV Index peaks.
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 |
| Beidaihehaibin | 2 | 4 | 6 | 7 | 8 | 10 | 11 | 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 |
| 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 |