Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Zhuzhai, China, where the climate is characterized as Cwa, featuring distinct seasonal changes and significant sun exposure. Being aware of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With peak UV readings reaching up to 10 during midday hours, it’s essential to take precautions, especially when engaging in outdoor activities. By staying informed about the UV Index, you can enjoy the beautiful sunny days in Zhuzhai while protecting yourself from harmful ultraviolet rays.
The UV Index rises sharply as the day unfolds, kicking off at a gentle 1 at 07:00. However, by 08:00, it climbs to 3, signaling increasing sun intensity. The real surge comes between 09:00 and 12:00, where it escalates to a peak of 10, urging sun safety precautions, especially during the sun's zenith from 11:00 to 13:00. As the afternoon progresses, the intensity wanes, dropping to 8 at 14:00 and gradually declining to 6 by 15:00. A further descent continues into the evening, with values plummeting to 1 by 19:00. This trend serves as a reminder to stay protected during the sun's most potent hours!
| 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | 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 varies significantly, with the highest risk occurring during the summer months of May through August, when the UV Index peaks at 10 and falls under the very high exposure category. During this time, the burn time is reduced to just 15 minutes, necessitating extra precautions for visitors and residents. As spring approaches, the UV Index begins to climb from 3 in January to 8 in April, marking the start of increasing risk, particularly in March when it reaches 7. As we move into fall, the UV Index gradually decreases, though September still poses a very high risk at 8, before tapering off to moderate levels in the winter months. It's essential for everyone to remain vigilant about sun safety, particularly from March to September, wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Zhuzhai | 3 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 5 | 3 |
| 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 |
| 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 |