Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Shangdu, China, as it provides essential information about daily sun exposure and potential health risks. Awareness of UV levels is vital for preventing sunburn, protecting skin health, and reducing the risk of skin cancer. Shangdu, located in a Dwb climate zone, experiences varying UV exposure throughout the day, with peaks occurring around midday when indices can reach a striking 10. By staying informed about the UV Index, individuals can better safeguard themselves against harmful radiation while enjoying the sunny skies of this vibrant locale.
Throughout the day, the UV Index displays a dynamic progression in its intensity. Starting gently at 2 by 7:00 AM, it steadily rises, reaching 3 by 8:00 AM. The sun's influence becomes more pronounced by 9:00 AM, hitting a 5, and peaks at an impressive 10 at 12:00 PM, indicating a strong potential for sunburn. After this zenith, the index begins to taper off, sliding back to 9 at 1:00 PM and then 7 at 2:00 PM. As the afternoon unfolds, it gradually declines to 5 by 3:00 PM, before settling at 2 by 5:00 PM. The day winds down with a peaceful 1 by 6:00 PM and 7:00 PM, urging a gentle reminder to guard against those midday rays while enjoying the sunshine.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 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 |
The UV Index exhibits significant seasonal fluctuations, with high-risk months primarily from April to August. Notably, July reaches an extreme UV Index of 11, with a burn time of just 10 minutes. As spring transitions to summer, the UV exposure elevates sharply; for instance, April starts at a UV Index of 8 and quickly escalates to 10 in May and June. Visitors and residents should exercise caution during these months by seeking shade, wearing protective clothing, and applying sunscreen to minimize skin damage. In contrast, January and December present lower UV risks with indices of 2, allowing for safer outdoor activities, though maintaining sun protection is still advisable at any time of year.
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 |
| Shangdu | 2 | 4 | 6 | 8 | 10 | 10 | 11 | 10 | 8 | 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 |