Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Yueyang, China to effectively protect their skin from harmful ultraviolet rays. With the city experiencing a Cfa climate, marked by hot summers and moderate UV exposure, being aware of UV levels can significantly aid in preventing sunburn and maintaining long-term skin health. Peak UV Index readings often reach a critical 12 during midday, underscoring the importance of taking appropriate precautions during those hours. Staying informed about the UV Index not only empowers residents to enjoy the sunshine safely but also fosters a culture of health-consciousness against the backdrop of Yueyang's vibrant outdoor lifestyle.
As the sun rises, the UV Index starts off mild at 1 at 07:00, making it safe to enjoy the morning outdoors. By 08:00, it increases to 3, signaling the need for light protection. However, the real intensity kicks in as the clock strikes 10:00, with the index peaking at a robust 12 by 12:00 and 13:00. During these hours, the sun’s rays are at their strongest, reaching a maximum of 11 at 11:00. As afternoon transitions into evening, the index begins to decline, dropping to 10 at 14:00 and gradually falling to 1 by 19:00. To make the most of your day, plan your outdoor activities in the early morning or late afternoon for a safer experience under the sun!
| 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 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | 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 varies significantly, influencing the risk of sunburn and the necessary precautions for both residents and visitors. The highest risk months typically occur from June to August, where the UV Index peaks at 12, indicating an extreme exposure category with a burn time of just 10 minutes. Earlier in the year, particularly in March and April, the Index rises to very high levels (8-10), dramatically decreasing the burn time to 15 minutes. As we move to cooler months, the risk lessens, with December's UV Index dropping to 4 and a moderate exposure category allowing a burn time of 30 minutes. It is essential for everyone to apply sunscreen, wear protective clothing, and seek shade during the peak UV hours, especially between March and September. Staying informed and taking these precautions will help minimize the risks associated with sun exposure during high UV Index periods.
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 |
| Yueyang | 6 | 7 | 8 | 10 | 10 | 11 | 12 | 12 | 10 | 9 | 7 | 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 |