Last updated: May 3, 2025
In Shenjian, China, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly aid in sunburn prevention, reducing the risk of skin damage and long-term conditions such as skin cancer. With a typical Cwa climate, Shenjian experiences substantial variations in UV exposure throughout the day, peaking at a level of 10 around noon. By staying informed about the UV Index, you can take proactive steps to shield yourself from harmful rays and enjoy the sunny days safely.
The UV Index throughout the day paints a vivid picture of sun intensity. Starting at a mild 1 at 7:00 AM, the index gradually climbs, reaching a more noticeable 3 by 8:00 AM. The real surge occurs between 9:00 AM and 12:00 PM, where it peaks at 10—a crucial time for sun protection. After that, it begins to gently decline, with 9 at 1:00 PM, 8 at 2:00 PM, and dropping further to 6 by 3:00 PM. As the sun starts its descent, the index sees a steady fall, ending at a comfortable 1 by 6:00 PM, making the later hours much safer for outdoor activities. Pay attention to the height of UV levels around midday for optimal sun safety!
| 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 | 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 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates noticeable seasonal changes, with high-risk months primarily occurring from March through August. In March, the UV Index escalates to 7, indicating a high risk of harm from unprotected sun exposure, with a recommended burn time of just 25 minutes. As the summer months approach, April sees an increase to 8, followed by an even higher index of 10 in May and June. The most extreme levels are reached in July and August, both registering a UV Index of 11, where the burn time drops to a mere 10 minutes. After this peak, the risk decreases in September and October, but remains very high. For safe sun exposure, it is crucial for visitors and residents to limit their time outdoors, wear protective clothing, and apply sunscreen, particularly during these high-risk months. In the fall and winter, from November to February, the UV levels drop to moderate and low, allowing more leisurely outdoor activities with appropriate precautions.
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 |
| Shenjian | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 11 | 8 | 8 | 4 | 3 |
| 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 |