Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Dasongshu, China, where the unique Cwb climate brings distinct seasonal variations and sunlight exposure. With UV levels reaching a peak of 14 during midday hours, awareness of these levels is essential for preventing sunburn and maintaining skin health. Protecting your skin from harmful rays is not just a concern on sunny days; even moderate UV exposure can have lasting effects. As Dasongshu experiences significant UV exposure, being informed about daily variations in the UV Index helps you enjoy the outdoors safely while minimizing your risk of skin damage. Stay vigilant and embrace sunny days wisely!
The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting at a gentle 1 at 07:00, the index escalates rapidly, reaching 4 by 09:00. The peak occurs at 13:00 with a scorching 14, making it crucial for sun safety during these hours. As the afternoon progresses, the UV levels start to decline, with a notable drop to 10 by 15:00 and further to 2 by 18:00. This gradual fade into the evening brings the UV index back down to 1 by 19:00, marking a day where protection against the sun is essential from late morning to early afternoon.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking in the summer months of June and July, where it reaches a staggering 15 and falls within the extreme exposure category. From March to October, the UV levels remain particularly high, with April and May also reflecting 14, indicating a high risk of harm from unprotected sun exposure. Visitors and residents should take extra precautions during these high-risk months, particularly when the UV Index exceeds 11 from March to October. It is advisable to limit sun exposure during peak hours, seek shade, and use protective clothing and sunscreen with high SPF, especially when burn times are as short as 10 minutes in extreme conditions. As the year progresses to November and December, the UV levels decrease, but caution remains warranted during November, when the index is still 9, classified as very high.
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 |
| Dasongshu | 8 | 9 | 11 | 13 | 14 | 14 | 15 | 14 | 13 | 11 | 9 | 7 |