Last updated: August 1, 2025
Understanding the UV Index in Beidaihe, China, is crucial for protecting your skin and maintaining overall health. With the region's temperate climate, residents and visitors alike are often exposed to higher levels of ultraviolet radiation, particularly during the peak hours from 11:00 AM to 1:00 PM, when the UV Index can soar as high as 11—a level that poses significant risks for sunburn and long-term skin damage. By staying informed about daily UV levels, you can take proactive steps to safeguard your skin, enjoy outdoor activities, and embrace the beautiful surroundings of Beidaihe with confidence. Remember, awareness is your best defense against the sun's harmful effects!
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 |
| Beidaihe | 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 |