Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Chaobei, China, where sun exposure can vary significantly throughout the day. As a city in a Cwa climate zone, Chaobei experiences particularly intense sunlight, especially between 11 AM and 1 PM, when UV levels can soar to a dangerous 11. Knowing the UV Index not only helps you prevent painful sunburns but also plays a vital role in maintaining your overall skin health in the long term. With the local climate presenting daily UV exposure risks, being informed about UV levels enables you to take necessary precautions—whether it’s applying sunscreen, wearing protective clothing, or seeking shade during peak hours.
The UV Index throughout the day demonstrates a significant rise as the sun reaches its zenith. Starting from a mild 1 at 07:00, the intensity escalates rapidly, hitting 3 by 08:00 and climbing to a peak of 11 at 12:00—the moment when sun protection is imperative. As the afternoon progresses, the index gradually declines, showing values of 10 at 13:00, 9 at 14:00, and 7 at 15:00. By 16:00, it drops to 4, and by the evening, the UV exposure wanes, returning to 1 by 18:00 and 19:00. This pattern underscores the importance of vigilance during midday hours when UV radiation poses the highest risk. Remember to stay shaded and apply sunscreen generously!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal UV changes fluctuate significantly throughout the year, with high-risk months typically occurring from April to August. In March, the UV Index rises to 7, indicating a high exposure risk, while April and May see levels peak at 9 and 11 respectively, categorizing these months as very high and extreme with burn times drastically decreasing to just 15 and 10 minutes. Notably, July continues to reflect the extreme UV Index of 11, necessitating heightened caution. As autumn approaches, September and October still maintain very high UV levels before dropping back to a moderate exposure in the winter months of November and December. Visitors and residents are advised to take protective measures, such as wearing sunscreen, sunglasses, and protective clothing, especially during these peak months, to minimize the risk of 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 |
| Chaobei | 4 | 5 | 7 | 9 | 11 | 10 | 11 | 10 | 9 | 8 | 5 | 4 |
| 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 |