Last updated: July 2, 2025
Understanding UV Index levels is crucial for residents and visitors in Zhangzhuangpu, China, where the sun's intensity can pose significant risks. With a typical climate categorized as Cfa, the region experiences elevated UV radiation, especially from late morning to early afternoon. Awareness of UV levels is vital for preventing sunburn and protecting skin health, as exposure can lead to long-term damage. During the hours when UV Index peaks, with values soaring to 12, taking precautions becomes essential to enjoy the outdoors safely while safeguarding your skin.
The UV Index today tells a striking story of the sun's intensity as the day unfolds. Starting at 07:00, the index peaks at a gentle 1, perfect for an early morning stroll. As the sun rises higher, a noticeable increase occurs, reaching 3 by 08:00 and then surging to a robust 5 at 09:00. By 10:00, the index hits 8, and it truly shifts into high gear at 11:00, peaking at an impressive 10. The zenith arrives with an intense 12 at 12:00 and holds steady, emphasizing the need for sun protection. As afternoon rolls in, a gradual decline begins, slipping to 10 at 14:00, then tapering off to 8 by 15:00 and 5 at 16:00. By the evening, the UV threat diminishes significantly to 2 at 17:00 and is back down to 1 by 19:00. Remember to stay sun-safe during the midday hours when the UV index is at its highest!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | 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 | 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 |