Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Yuchuan, China, where sun exposure can significantly impact skin health and overall well-being. As the UV levels can reach a peak of 10 around noon, awareness of these daily fluctuations is essential for preventing sunburn and long-term skin damage. Yuchuan's humid subtropical climate contributes to its high UV exposure, especially during summertime, increasing the need for diligent sun protection. By staying informed about the UV Index, you can enjoy outdoor activities while safeguarding your skin from harmful rays.
The UV Index tells a compelling story of the sun's intensity throughout the day. Starting gently at 7:00 AM with a maximum of 1, the day gradually warms, peaking at a striking 10 by 11:00 AM and holding steady until 12:00 PM. As the clock ticks towards the afternoon, the index begins to dip, descending to 8 at 2:00 PM, then 5 by 3:00 PM. As the evening approaches, the sun’s rays become gentler, returning to 1 by 5:00 PM and remaining at that level through the night. It's clear: protecting your skin during those midday hours is essential, as the sun’s UV intensity can be quite formidable!
| 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 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal UV changes indicate a significant increase in ultraviolet radiation from early spring through summer, peaking in the summer months of June, July, and August, where the UV Index reaches a severe level of 12 and burn times decrease to just 10 minutes. High-risk months include March to September, during which the UV Index exceeds 7, categorized as very high or extreme. Visitors and residents are advised to take precautions during these periods by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially when spending extended time outdoors. In contrast, the UV Index drops to a moderate level by December, providing a safer environment for outdoor activities.
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 |
| Yuchuan | 6 | 7 | 8 | 10 | 10 | 12 | 12 | 12 | 10 | 8 | 6 | 5 |
| 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 |