Last updated: June 2, 2025
Understanding the UV Index in Dongchuan, China, is crucial for protecting your skin and maintaining overall health in this high-altitude region. As sun exposure can lead to sunburn and accelerate skin aging, being aware of daily UV levels is essential for residents and visitors alike. Typical of its ET climate, Dongchuan experiences elevated UV risks, particularly during midday hours, when the index can soar to an extreme level of 15. By staying informed about these fluctuations, you can take proactive measures to enjoy the sun safely and keep your skin healthy.
The UV Index climbs steadily throughout the morning, beginning at a mild 1 at 7:00 AM and reaching a moderate 2 by 8:00 AM. As the sun rises higher in the sky, the intensity escalates dramatically, peaking at a striking 15 between 1:00 PM and 2:00 PM. This period represents the pinnacle of UV exposure, necessitating precautionary measures for outdoor activities. Following this peak, the index gradually declines, dropping to 12 at 3:00 PM and further to 3 by 6:00 PM, before settling back to a safe 1 at 7:00 PM. With these fluctuations in UV levels, it’s essential to stay informed and protect your skin, especially during midday hours.
| 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 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | 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 exhibit significant seasonal changes, with the highest risks occurring in the late spring and summer months. March marks the onset of higher risk, classified as very high (UV Index 9), while April through August reach extreme levels (UV Index 13-15), necessitating careful sun exposure management, especially for those with fair skin. Burn time during these peak months is notably short, averaging just 10 minutes. As summer wanes in September, the index remains high but slightly decreases to 11, transitioning to very high in October (UV Index 8) before leveling out again in the winter months. Visitors and residents should take precautions during these high-risk months, particularly from March to October, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to mitigate harmful UV exposure.
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 |
| Dongchuan | 3 | 6 | 9 | 13 | 13 | 15 | 14 | 13 | 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 |