Last updated: August 1, 2025
Understanding the UV Index in Yu'erhong, China is crucial for safeguarding your skin against harmful ultraviolet (UV) radiation. Awareness of UV levels helps prevent sunburn, reduces the risk of long-term skin damage, and promotes overall skin health. In Yu'erhong's BWk climate—characterized by dry and sunny conditions—UV exposure can peak sharply, particularly around midday, reaching levels as high as 13. By staying informed about the daily UV Index, you can enjoy the outdoors while effectively protecting yourself from potential harm.
The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting at a mild 1 at 07:00, it escalates swiftly to a moderate level of 3 by 09:00. The peak arrives at the afternoon hours, with the UV Index hitting an impressive 13 around 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index gradually drops back down, easing to a gentle 6 by 17:00 and further diminishing to 1 by 19:00. Be sure to protect yourself during those peak hours to enjoy a safe and sun-filled 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 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 Index levels display significant seasonal variation, peaking in the summer months. From January to March, the UV Index gradually rises from 3 (moderate) to 9 (very high), signaling an increasing need for sun protection. April and May reach critical levels, with the UV Index at 10 (very high) and 13 (extreme) respectively, making these months particularly high-risk, where unprotected exposure can lead to sunburn in as little as 10 to 15 minutes. As summer continues through June, July, and August, the UV Index remains at 13, underscoring the importance of rigorous sun safety practices. September sees a slight reduction to 10 (very high), followed by a gradual decline in the UV Index through October (7), November (5), and December (3), where burn times increase back to 25 to 30 minutes. For both residents and visitors, it's crucial to take precautions during March to August, using sunscreen, protective clothing, and avoiding peak sun hours to minimize the risk of UV-related health issues.
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 |
| Yu'erhong | 3 | 6 | 9 | 10 | 13 | 13 | 13 | 12 | 10 | 7 | 5 | 3 |
| 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 |