Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents and visitors of Zhangzhuangpu, China, where sunny days and a climate classified as Cfa (humid subtropical) create unique exposure risks. Understanding UV levels is essential not only for preventing sunburn but also for maintaining overall skin health. With the UV Index peaking at a striking 11 around noon, it’s vital to take precautions during the peak hours of 10 AM to 2 PM to avoid harm. By staying informed and proactive, you can enjoy the beautiful Zhangzhuangpu weather while keeping your skin safe from the sun’s powerful rays.
As the sun rises, the UV Index begins at a mild 1 at 07:00, indicating a low level of UV radiation. By 08:00, it increases to 3, where precautions can start to be considered. The real intensity emerges from 09:00 onward, peaking at an impressive 11 at 12:00, warning that sun protection is essential during these hours. From 11:00 to 13:00, the index remains critically high at 10, before gradually declining through the afternoon, dropping to 6 at 15:00 and further to 4 by 16:00. As the day winds down, the UV levels fall back to 2 at 17:00 and return to a safe 1 by 18:00, continuing through to 19:00. This data highlights the importance of midday sun protection to shield against the strongest UV levels!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest levels typically occurring during the spring and summer months. Notably, May through August are classified as high-risk months, with an extreme UV Index peaking at 12 in July and consistently remaining at 11 from May to August. During these months, the burn time is reduced to just 10 minutes, calling for extra precautions. Visitors and residents are advised to limit sun exposure, particularly during peak hours, and to use broad-spectrum sunscreen, wear protective clothing, and seek shade whenever possible. As we transition into fall, the UV Index begins to lower, but September and October still present very high levels, so vigilance should continue. The year wraps up with lower UV exposure in November and December, but individuals should always remain mindful of UV risks.
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 |
| Zhangzhuangpu | 6 | 6 | 8 | 10 | 11 | 11 | 12 | 11 | 10 | 9 | 6 | 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 |