Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Jiantiao, China, where the Cfa climate brings warm, humid summers that can significantly heighten UV exposure. Being aware of UV levels is essential for sunburn prevention and maintaining overall skin health; with peak UV Index values reaching as high as 12 around midday, the risks of skin damage increase dramatically. As the sun ascends in its journey, Jiantiao experiences fluctuating UV levels, making it vital to stay informed. Protecting your skin from harmful rays not only safeguards your health but also enhances your enjoyment of the beautiful outdoors that Jiantiao has to offer.
As the sun rises, the UV Index begins its ascent, starting at a subtle 2 at 07:00. By 08:00, it climbs to a moderate 4, indicating that sun protection is becoming essential. The intensity peaks sharply at 12:00, soaring to a striking 12, making this the most hazardous time for outdoor activities without adequate protection. The intensity slightly wanes after noon, dropping to 8 by 14:00, before continuing its graceful descent to a mere 1 by 17:00. As the day draws to a close, the UV risk diminishes to 0 by 19:00, allowing for evening outdoor enjoyment without concern. Don’t forget to shield your skin during those midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, seasonal changes in the UV Index highlight significant variations in sun exposure risk. The highest risk months occur from March to September, where the UV Index peaks at 12 during the summer, categorizing these months as extreme risk with a burn time of just 10 minutes. In particular, April to August stand out as critical periods for sun safety. Residents and visitors are strongly advised to take precautions, such as wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak sun hours, especially in the high-risk months characterized by indices rated very high and extreme. As the year progresses, the risk decreases in November and December, with moderate exposure in winter months, allowing for longer safe sun exposure times. Always stay informed and prioritize skin protection, especially from March through September.
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 |
| Jiantiao | 6 | 7 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 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 |