Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Wujimi, China, as it provides essential information about the sun’s harmful ultraviolet rays and their potential impacts on health. With typical UV levels peaking at 8 during midday hours, awareness can significantly aid in preventing sunburn and maintaining long-term skin health. In Wujimi’s distinct Dwb climate, characterized by its stark seasonal variations, the risk of excessive UV exposure can rise unexpectedly. Being informed about the UV Index empowers you to enjoy the outdoors responsibly while protecting your skin from potential damage.
The UV Index throughout the day showcases a compelling pattern of solar intensity. Starting at 07:00, the index begins at a modest 2, indicating low levels of UV radiation. As the sun rises higher, the index climbs steadily, peaking at 11:00 with a maximum of 8—a level that calls for protective measures. Post noon, a gradual decline occurs; by 15:00, it drops to 3, signaling a decrease in UV exposure. As daylight wanes, the index continues to fall, reaching 1 by 17:00, before settling at a safe 0 by 19:00. This data underscores the importance of being sun-smart, especially during the midday hours when the UV levels are at their highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal fluctuations that reflect varying levels of sunlight exposure. January, November, and December exhibit a low UV Index (2), allowing for longer safe exposure times of 45 minutes. As spring approaches, February and March see a moderate index (3 and 5, respectively) with a reduced burn time of 30 minutes. The UV levels peak during late spring and summer, notably from May to August, where the index reaches very high levels (8 to 10) with a quick burn time of just 15 minutes. April also presents a high risk (7), necessitating caution. The risk tapers off in September (UV Index 7) before returning to moderate levels in October. Given these variations, visitors and residents should take special precautions from April through August, ensuring proper sun protection, such as sunscreen, hats, and clothing, particularly during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wujimi | 2 | 3 | 5 | 7 | 8 | 9 | 10 | 8 | 7 | 5 | 2 | 2 |
| 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 |
| 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 |