Last updated: June 2, 2025
In Beidaihe, China, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. With a climate classified as Dwa, Beidaihe experiences significant sun exposure, particularly during the peak hours of 10 AM to 2 PM, when UV levels can soar to a maximum of 10. Being aware of these UV levels is essential for sunburn prevention and overall skin health, as ignoring them can lead to long-term consequences. Whether you're enjoying a day at the beach or exploring the surrounding areas, knowing the UV Index empowers you to take the right precautions, ensuring a safe and enjoyable time outdoors.
The UV Index data reveals a dynamic sun journey throughout the day. Starting with a gentle warmth at 07:00 (UV Index 2), the intensity gradually climbs to peaking at 12:00 with a maximum of 10, indicating very high UV exposure—perfect for seeking shade or slathering on sunscreen! As the afternoon wears on, the index begins to dip, dropping to 7 by 14:00 and continuing to fade into the evening with readings of 5 at 15:00, 3 at 16:00, and tapering off to 1 by 18:00 and 19:00. This data beautifully illustrates the sun's powerful influence during midday, underscoring the importance of sun protection during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | 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 | 2 | 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 |