Last updated: June 2, 2025
Staying informed about the UV Index is essential for residents and visitors in Haomen, China, given the region's increasingly sunny climate. Understanding UV levels is crucial not only for effective sunburn prevention but also for maintaining long-term skin health. With peak UV levels reaching a staggering 18 around midday, the risks of overexposure during the summer months can be significant. By keeping an eye on the UV Index, you can better protect yourself and your loved ones while enjoying the beautiful, sunny days that Haomen has to offer.
The hourly UV Index data reveals a dramatic increase in sun exposure throughout the day. Starting at a mild 1 at 07:00, the UV Index climbs steadily, hitting 2 by 08:00. A noticeable shift occurs around 09:00 when it surges to 5, and by 10:00, it skyrockets to 9. The peak intensity is reached between 12:00 and 13:00, with readings of 17 and 18, respectively, indicating a need for protective measures. The UV Index begins to decline after 14:00, falling back to 14 by 15:00, and dipping further to 3 by 18:00 before returning to 1 at 19:00. This data underscores the importance of seeking shade and using sunscreen during the midday hours when the UV levels are at their highest.
| 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 | 9 | very high | 15 min |
| 11:00 | 14 | extreme | 10 min |
| 12:00 | 17 | extreme | 10 min |
| 13:00 | 18 | extreme | 10 min |
| 14:00 | 17 | extreme | 10 min |
| 15:00 | 14 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV radiation levels experience significant fluctuations, with high-risk months emerging primarily from February to September. The UV Index peaks in June at 18, categorized as extreme, where the burn time is a mere 10 minutes. Following closely are April, May, July, August, and September, all also classified as extreme with similar burn times. March and October enter the very high exposure category, further stressing the need for caution. During these months, visitors and residents should prioritize sun protection by using sunscreen, wearing protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. In contrast, during the quieter months of January, November, and December, UV levels remain lower, with exposure described as moderate to high. It is essential to stay informed and adjust personal sun safety practices accordingly to minimize health risks associated with overexposure to UV radiation.
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 |
| Haomen | 3 | 7 | 10 | 13 | 14 | 18 | 16 | 13 | 11 | 9 | 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 |