Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xiamujiao, China, where the sun's rays can be intense. Recognizing UV levels not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. In Xiamujiao, which experiences a climate characterized by warm summers and cold winters (Dwb), the midday UV Index often peaks at dangerous levels, soaring to 11 during the hottest hours. With such high exposure risks, staying informed about UV conditions is essential for enjoying the outdoors safely.
The UV Index today presents a compelling narrative of intensity as the daylight unfolds. Starting at 7:00 AM, it rises slowly from a minimum of 1, suggesting low levels of UV exposure. By 9:00 AM, it hits 5, prompting a more cautious approach for those planning outdoor activities. The sun reaches its zenith at 12:00 PM, with a striking 11, emphasizing the need for sun protection during peak hours. This level remains high until 1:00 PM, where it plateaus, then gently descends through the afternoon. By 4:00 PM, the index drops to 5, concluding the day with a modest 1 by 7:00 PM, making evening strolls safer. Always remember: the sun is strongest between 10:00 AM and 2:00 PM, so protect your skin during these 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 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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, UV exposure varies significantly, with the highest risk months being May through August, where the UV Index consistently reaches an extreme level of 11. During these peak months, individuals are advised to limit sun exposure to 10 minutes to prevent skin damage. April also poses a considerable risk, with a very high UV Index of 9, and a burn time of just 15 minutes. As the seasons transition into late summer and fall, UV levels drop, with September and October still presenting high UV risks, but at more manageable levels of 9 and 7, respectively. During the winter months of January, February, and November, the UV Index is moderate, allowing for up to 30 minutes of safe exposure, while December offers the lowest risk with an index of 2 and a burn time of 45 minutes. Visitors and residents should take precautions, especially during the high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen diligently.
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 |
| Xiamujiao | 3 | 4 | 7 | 9 | 11 | 11 | 11 | 11 | 9 | 7 | 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 |