Last updated: August 1, 2025
Being aware of the UV Index is crucial for residents and visitors in Nantai, China, where sun exposure can significantly impact skin health. Understanding UV levels not only aids in preventing sunburn but also fosters long-term skin protection, helping you to enjoy the stunning outdoor scenes without worry. With a Cfa climate, Nantai experiences substantial UV radiation, particularly during peak hours from 10 AM to 2 PM, when values can soar to an intense 12. Stay informed and take precautions to safeguard your skin against the risks associated with high UV exposure.
At 07:00, the UV Index begins its climb with a gentle 1, but by 08:00, it ramps up to a moderate 3. As the sun rises higher, the intensity surges, peaking at 12 between 12:00 and 13:00. This is when protective measures become crucial! The index gradually declines in the afternoon, descending to 9 at 14:00 and easing further to 4 by 16:00. As the day wanes, the UV Index falls back to 2 at 17:00 and returns to a minimal 1 by 19:00. Stay safe and be sun-smart, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits a notable seasonal variation throughout the year, peaking in the summer months. From January through February, the UV Index ranges from 6 to 7, indicating a high risk of harm from unprotected sun exposure, with a burn time of 25 minutes. The risk escalates sharply in March and April to an index of 10, classified as very high, with a reduced burn time of just 15 minutes. The months of May to August present the highest risks, with an extreme UV Index of 11 to 12 and a burn time of only 10 minutes, marking this period as the most critical for sun protection. The risk diminishes slightly in September (UV Index 10) and October (UV Index 9), where the burn time increases to 15 minutes but still remains significant. By November, the UV Index drops to 7 and returns to a high risk, while December sees a further decrease to 5, categorized as moderate with a burn time of 30 minutes. Visitors and residents are strongly advised to take protective measures during high-risk months, especially from March to August, including wearing sunscreen, protective clothing, and seeking shade to minimize sun exposure.
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 |
| Nantai | 6 | 7 | 10 | 10 | 11 | 12 | 12 | 12 | 10 | 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 |