Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Chuandian, China, where the subtropical climate poses unique sun exposure challenges. With UV levels reaching up to 10 during peak hours, awareness and protection are key to preventing sunburn and promoting long-term skin health. Effective sun safety practices not only safeguard your immediate well-being but also help prevent skin damage over time. As Chuandian experiences significant UV intensity, especially between 10 AM and 2 PM, it's essential to stay informed and take necessary precautions to enjoy the sun safely.
The UV Index throughout the day reveals a fascinating journey of solar intensity. Starting with a gentle 1 at 07:00, the sun gradually strengthens, reaching 2 by 08:00. As the morning progresses, we hit a notable 5 at 09:00, leading into a vibrant peak at 12:00 where the UV Index soars to an impressive 10, lasting through 13:00. The intensity then starts to decline, sliding down to 8 at 14:00, followed by a gentle drop to 6 by 15:00. The late afternoon brings a cooling effect with values decreasing to 4 at 16:00, and winding down to 2 by 17:00. As evening approaches, the UV Index settles back to a mild 1 by 18:00, remaining consistent until 19:00, marking the end of a dynamic solar spectacle.
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | 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 |
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 |
| Chuandian | 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 |