Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Motuo, China, where the unique Cwb climate brings varying levels of ultraviolet radiation throughout the day. With peak UV levels soaring to a staggering 15 during midday, awareness and vigilance are essential for sunburn prevention and maintaining long-term skin health. By recognizing these UV levels, you can take proactive steps to protect yourself and enjoy the beauty of Motuo while minimizing the risks associated with excessive sun exposure. Whether you're exploring the lush landscapes or engaging in outdoor activities, knowing when to seek shade or apply sunscreen is key to staying safe under the sun.
At dawn, the UV Index starts at a modest level of 1 at both 7:00 AM and 8:00 AM, making it a safe time for morning activities. However, as the sun rises higher, the intensity increases dramatically. By 10:00 AM, the UV Index hits 5, prompting a reminder to apply sunscreen. The peak occurs between 12:00 PM and 2:00 PM, where it soars to an intense 15—a critical time to seek shade and stay protected. Gradually, the numbers decline after 3:00 PM, settling at 10 by 4:00 PM before tapering down to 1 by 7:00 PM. To enjoy the outdoors safely, it’s essential to be mindful of the UV Index, especially during the midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV radiation levels vary significantly, with the highest risk occurring from March through October. During this period, the UV Index reaches its peak, particularly in May, June, and July when it consistently sits at 15, indicating an extreme exposure category, with a burn time as short as 10 minutes. February and November also present high risks with UV Index values of 9 and 9 respectively, classified as very high. In contrast, January and December offer a reduced risk with an Index of 7 and 6, respectively, although caution is still advised with burn times of 25 minutes. Visitors and residents are urged to take protective measures, especially during the peak summer months, such as wearing sunscreen, protective clothing, and sunglasses, to minimize the risk of skin damage and sunburn.
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 |
| Motuo | 7 | 9 | 11 | 13 | 15 | 15 | 15 | 14 | 14 | 11 | 9 | 6 |