Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Zhumushan, China, where the climate's humid subtropical characteristics can lead to intense sun exposure. Recognizing UV levels is essential for preventing sunburn and maintaining overall skin health, particularly during the peak hours of 10 AM to 2 PM, when the index can reach a staggering 12. With typical UV exposure risks rising significantly during these hours, staying informed about the UV Index not only empowers you to enjoy outdoor activities safely but also protects your skin from potential long-term damage. Keep an eye on the daily UV forecast to help ensure a healthier and more enjoyable experience under the sun!
The UV Index today paints a clear picture of sun intensity throughout the day. Starting off gently at 1 by 7:00 AM, it slowly climbs to 2 by 8:00 AM. The real action begins around 9:00 AM, where it rapidly rises to 5. By 10:00 AM, the index soars to an impressive 8, continuing to peak at 12 from 12:00 PM to 1:00 PM—the highest point of the day! As the afternoon progresses, the intensity wanes, dropping to 10 at 2:00 PM before steadily declining to 5 by 4:00 PM. The sunsoftens its grip as evening approaches, bringing the UV Index back down to 1 by 7:00 PM. Remember to stay protected during those midday hours when the sun is at its strongest!
| 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 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 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, UV exposure levels fluctuate significantly, peaking during the summer months. From March to September, the UV Index is particularly high, with notable spikes in June, July, and August where it reaches an extreme level of 12, necessitating a burn time of only 10 minutes. The high-risk months are April through September, where visitors and residents should exercise caution, as even brief exposure can lead to skin damage. To protect against harmful UV radiation, it is strongly advised to utilize sunscreen, wear protective clothing, and seek shade during peak sunlight hours, especially on days with a UV Index of 10 or higher. In contrast, the UV Index drops in October and November, tapering down to a moderate level in December, where a burn time of 30 minutes provides a bit more leeway for outdoor activities.
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 |
| Zhumushan | 6 | 7 | 8 | 10 | 10 | 11 | 12 | 12 | 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 |