Last updated: June 2, 2025
In Guazhou, China, understanding the UV Index is essential for safeguarding your skin against harmful ultraviolet rays. With daily maximum UV levels soaring as high as 11 during the peak afternoon hours, awareness of these levels is crucial for preventing sunburn and promoting overall skin health. The region's semi-arid climate contributes to intense sunlight, making it vital for residents and visitors alike to stay informed and take proactive measures to protect themselves from excessive exposure. By monitoring the UV Index, you can make smarter choices about outdoor activities and enjoy the beautiful Guazhou landscape while prioritizing your well-being.
The hourly UV Index paints a vivid picture of the sun's intensity throughout the day. Starting off gently in the early morning, with maximum readings of 1 at 07:00 and 08:00, it gradually begins to climb. By 09:00, it reaches 3, signaling a noticeable increase in UV exposure. The sun peaks dramatically at 12:00, soaring to a 10, reaching its zenith with a maximum of 11 at both 13:00 and 14:00—a prime time for sun protection. As the afternoon slips into evening, the UV Index begins to recede, dropping to 8 by 16:00, and then tapering off to 5 at 17:00. The day winds down with a safe 3 at 18:00 and returns to a manageable 1 by 19:00, reminding us to stay vigilant and enjoy the sun responsibly throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, peaking during the summer months. Notably, March marks the transition to higher UV levels with an index of 7 (high), while April escalates to 9 (very high). From May to August, the UV Index reaches its peak at 11 (extreme), indicating a high risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes. September and October see a slight decrease, but the index remains notable at 9 and 6 respectively. For high-risk months—specifically May through August—it is imperative for visitors and residents to take protective measures, including wearing sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours. During the winter months, particularly November and December, UV levels drop significantly, with indexes at 4 and 2, allowing for more prolonged sun exposure without immediate risk.
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 |
| Guazhou | 3 | 4 | 7 | 9 | 11 | 11 | 11 | 11 | 9 | 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 |
| 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 |