Last updated: May 3, 2025
In Dasongshu, China, understanding the UV Index is essential for safeguarding your skin and overall health. With UV levels soaring to a peak of 14 around midday, awareness of these daily fluctuations is crucial in preventing sunburn and long-term skin damage. The local climate, categorized as Cwb, experiences a range of UV exposure risks, particularly during the sunnier months. By keeping an eye on the UV Index, residents and visitors can enjoy the outdoors safely while taking the necessary precautions against harmful rays.
The UV Index throughout the day exhibits a dynamic range, reaching its peak during the midday hours. Starting off at a minimal 1 at 7:00 AM, the index gradually climbs to 2 at 8:00 AM, before making a significant leap to 4 by 9:00 AM. The intensity escalates rapidly, hitting 8 at 10:00 AM and soaring to a maximum of 14 by 12:00 PM. This high UV exposure is maintained until 1:00 PM, where it reaches its threshold of 14 once again. The afternoon brings a gradual decline, with the index dropping to 10 at 3:00 PM, and further down to 4 by 5:00 PM. As the sun begins to set, the UV levels settle again to 2 and return to a safe 1 by 7:00 PM. It’s crucial to stay protected during the peak hours, especially between 11:00 AM and 1:00 PM when the UV rays can be most harmful!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | 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 |