Last updated: July 2, 2025
In Xiyangjiang, China, understanding the UV Index is crucial for safeguarding your skin and overall health. With outdoor temperatures often soaring and sunshine abundant year-round, the potential for sunburn and skin damage increases significantly, especially during peak hours when the UV index reaches alarming levels of 12 to 13 around midday. Awareness of UV levels can empower residents and visitors alike to take proactive measures—such as seeking shade and applying sunscreen—to mitigate risks associated with excessive sun exposure. Given Xiyangjiang's Cfa climate, characterized by humid subtropical conditions, recognizing the threats posed by ultraviolet radiation is essential for enjoying the outdoors while maintaining skin health.
The UV Index rises sharply as the day progresses, peaking in the early afternoon. At 07:00, it starts at a mild 1, but by 09:00, it escalates to 5, signaling the arrival of more intense sunlight. 10:00 sees the index reach 8, and by 11:00, it hits a formidable 11, indicating high exposure risk. Just one hour later, the UV Index reaches its zenith at 12:00 with a striking 12, and the maximum is recorded at 13:00 at 13. However, after this peak, UV levels begin to descend, dropping to 11 by 14:00, and gradually falling to 8 at 15:00. As the sun sets, the UV Index dwindles to 5 by 16:00, and finally tapers off to 3 at 17:00, before returning to a safe 1 from 18:00 onwards. It's a day to heed sun safety, particularly during those intense midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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, the UV Index experiences significant fluctuations, with the highest levels occurring from April to August. During this period, the UV Index reaches extreme values of 11 to 13, resulting in burn times as short as 10 minutes, making these months particularly high-risk for sun exposure. Notably, February and March also present very high levels, with UV Index readings of 9, indicating burn times of only 15 minutes. As autumn approaches, the risk decreases, with October and September at a very high level of 10 and 9, respectively. For optimal sun safety, residents and visitors are advised to take precautionary measures, such as wearing sunscreen and protective clothing, especially during the high-risk months from April to August.
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 |
| Xiyangjiang | 6 | 9 | 9 | 11 | 12 | 12 | 13 | 13 | 10 | 9 | 7 | 5 |
| 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 |