Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors in Weichang, China, where the climate can expose individuals to varying levels of ultraviolet radiation throughout the day. With peak UV levels soaring to 10 around noon, being mindful of these fluctuations is crucial to prevent sunburn and protect skin health. In this Dwb climate zone, where sunshine is abundant, awareness of UV exposure risks can help you take the necessary precautions, ensuring you enjoy the sun safely while minimizing long-term skin damage. Stay informed and shield yourself against the sun’s harmful rays by regularly checking the UV Index!
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 |
| Weichang | 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 |