Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Huguang, China, where the sun can be particularly intense due to its Cwa climate. Awareness of UV levels helps in preventing sunburns and maintaining long-term skin health, especially during peak hours when the UV Index can soar to a staggering 13. With typical exposure risks peaking between 10 AM and 2 PM, being informed about UV radiation levels empowers individuals to take protective measures and enjoy the outdoors safely. Whether you’re heading out for work or leisure, staying vigilant about the UV Index can make a significant difference in your skin's health and overall well-being.
The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.
| 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 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 |
The UV Index data indicates significant seasonal changes in UV radiation exposure, with the highest risks occurring during the summer months. From March to September, the UV Index peaks at 12 to 14, categorizing these months as extreme exposure periods, with a notably short burn time of just 10 minutes. The highest risk months are May, June, July, and August, where the UV Index reaches 13 and 14. In contrast, January and February still present a very high risk with a UV Index of 8 to 10 and a burn time of 15 minutes. As fall and winter approach, the UV levels gradually decline, reaching a high index of 7 in December. It’s crucial for visitors and residents to practice sun safety, especially during peak months, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of sunburn and 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 |
| 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 |
| Huguang | 8 | 10 | 12 | 12 | 13 | 13 | 14 | 14 | 12 | 12 | 9 | 7 |