Last updated: July 2, 2025
In Wantan, China, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet rays, especially in a climate characterized by warm, humid summers. With peak UV exposure frequently reaching levels of 11 to 13 around midday, awareness of these UV levels is essential to prevent sunburn and maintain skin health. By keeping an eye on the UV Index, residents and visitors can make informed decisions about sun protection, ensuring enjoyable outings while minimizing the risk of skin damage. Make sure to stay informed and safeguard your skin as you navigate the sunny days in this vibrant region!
During a typical day, the UV Index experiences a dramatic rise starting early in the morning. At 07:00, it registers a mere 1, suggesting minimal risk of harm from unprotected sun exposure. However, as the clock advances, the index steadily climbs, reaching 8 by 10:00 and peaking at a striking 13 between 12:00 and 13:00. This high reading marks a very high risk, urging everyone to seek shade and don protective clothing. As the afternoon wanes, the index gradually descends, dropping to 9 by 15:00 and tapering off to 1 once again by 19:00. This data reflects the critical nature of midday sun exposure, emphasizing the importance of sun safety 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits notable changes throughout the year, indicating varying levels of sun exposure risk. From January to March, the UV Index begins at 7 and peaks at 9, with high to very high exposure categories and burn times gradually decreasing from 25 minutes to 15 minutes. As we transition into April through September, the UV Index escalates to 12-13, categorizing these months as extreme risk with a minimal burn time of just 10 minutes. October sees a drop to 9, returning to very high risk, while November and December lower to 7 and 5, respectively, categorized as high and moderate exposure, allowing for more extended burn times of 25 minutes and 30 minutes. Visitors and residents are strongly advised to take precautionary measures during the high-risk months of April through September by wearing protective clothing, using sunscreen, and limiting sun exposure, especially during peak hours.
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 |
| Wantan | 7 | 8 | 9 | 12 | 12 | 12 | 13 | 13 | 12 | 9 | 7 | 5 |
| 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 |