Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Nanhai, China, where the sun's rays can reach dangerously high levels, especially during peak hours. Understanding UV levels is essential for preventing sunburn and protecting skin health, as prolonged exposure can lead to serious health issues. With a Cfa climate characterized by warm summers and mild winters, Nanhai experiences a range of UV exposure risks, particularly between 10 AM and 2 PM when the UV Index can soar to 12, signaling extreme levels of intensity. Stay informed and protect your skin by checking the UV Index daily!
The UV Index today paints a vibrant picture of sun intensity, starting from a gentle 1 at 07:00 and reaching its peak at 12:00 with a striking 12. The morning hours see a gradual rise, with 09:00 climbing to a moderate 5 and 10:00 bringing it up to 8. As the sun reaches its zenith, the intensity escalates sharply to 10 by 11:00 and holds steady at 12 from 12:00 to 13:00. The afternoon sun begins to mellow after 14:00, dipping down to 10 and further declining to 8 by 15:00. As the day transitions into the evening, the UV Index gently recedes, returning to a mild 3 by 17:00, and finishing with a soft 1 from 18:00 onward. It's crucial to keep aware of these fluctuations to safeguard against overexposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, peaking during the summer months of June, July, and August, where it reaches an extreme level of 11 to 12, necessitating a burn time of only 10 minutes. March through October are particularly high-risk months, with the UV Index remaining at 8 or above, indicating very high to extreme exposure. Visitors and residents are advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In contrast, the UV Index is moderate in January and December, with burn times of 30 minutes, while February and November present high risk but allow for slightly longer exposure times of 25 minutes. Staying informed about these seasonal UV changes is crucial for safety and skin health.
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 |
| Nanhai | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 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 |