Last updated: August 1, 2025
In Chengde, China, being aware of the UV Index is essential for safeguarding your skin and overall health. Understanding the levels of UV radiation—especially during the peak hours of sunlight—can help you prevent sunburn and long-term skin damage. Chengde's Dwb climate features a distinctive seasonal variation, but during the warmer months, the UV exposure risks can spike, reaching critical levels of 10 around midday. Stay informed and protect yourself by knowing the UV Index; your skin will thank you!
From 07:00 to 19:00, the UV Index exhibited a dynamic pattern, peaking at 10 around 11:00 to 13:00, indicating a high risk of harm from unprotected sun exposure during these hours. The morning began with a mild index of 2 at 07:00, gradually rising to 3 by 08:00. A noticeable surge occurred between 09:00 and 10:00, climbing to 6 and then reaching a striking 8. As the sun reached its zenith, the UV Index sustained its intensity, maintaining 10 for three consecutive hours. By the late afternoon, the index began to taper off, dropping to 6 at 15:00, further declining to 2 by 17:00 and finishing the day with a gentle 1 by 19:00. It's a stark reminder of the sun’s power, urging everyone to take precautions during peak hours.
| 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 | 7 | high | 25 min |
| 11:00 | 9 | 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 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months occurring from April to August. The index peaks at 10 in July and August, categorizing these months as having very high exposure risk where the burn time is only 15 minutes. In contrast, January and December have a low UV index of 2, allowing for safer outdoor activities with longer burn times of 45 minutes. Visitors and residents are advised to take precautionary measures, especially during the peak months by using sunscreen, wearing protective clothing, and seeking shade during midday hours to minimize the risk of skin damage. Planning outdoor activities with this seasonal UV information in mind can help ensure a safer experience under the sun.
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 |
| Chengde | 2 | 4 | 6 | 8 | 9 | 9 | 10 | 10 | 7 | 6 | 3 | 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 |