Last updated: August 1, 2025
Understanding the UV Index is crucial in Xiyu, China, where the Cwb climate brings varying levels of sun intensity throughout the year. Knowing the UV levels can help residents and visitors take essential precautions to prevent sunburn and long-term skin damage. With peak UV exposure reaching as high as 12 during midday, it's important to be aware of the risks associated with extended sun exposure in this region. By staying informed, you can enjoy the sunny lifestyle of Xiyu while safeguarding your skin health.
From the break of dawn at 07:00, the UV Index starts low at 1, gradually climbing to a moderate 2 by 08:00. As the sun rises higher, the intensity ramps up rapidly—reaching a significant 10 by 11:00 and peaking at a blistering 12 from 12:00 to 14:00. This prime time demands sun protection, as the UV exposure is at its highest. As the afternoon wanes, the index decreases, sliding to 9 at 15:00, and further dropping to 6 by 16:00. By 18:00, it dips to 2, and settles back down to 1 by 19:00, trading the bright glare of the sun for the cool embrace of evening. Stay sun-smart during those peak hours!
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV index levels, significantly impacting exposure risks for residents and visitors. January begins with a moderate UV Index of 5, increasing to a high of 7 in February. March escalates to a very high level of 8, but the most critical months for UV exposure are from April to September, where the index reaches an alarming 12 to 13, indicating extreme risk with burn times as short as 10 minutes. October sees a drop to 8, still classified as very high, before tapering off to 6 in November and 4 in December, transitioning back to moderate exposure levels. During the high-risk months, especially from April to September, it is crucial to take protective measures such as using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize skin damage. Stay safe and shield yourself from the sun’s strong rays!
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 |
| Xiyu | 5 | 7 | 8 | 12 | 12 | 13 | 12 | 12 | 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 |