Last updated: July 2, 2025
Understanding the UV Index in Chentuan, China is essential for protecting your skin and overall health. With soaring UV levels peaking at 11 around midday, awareness of UV exposure is crucial to prevent sunburn and long-term skin damage. Chentuan's Cwa climate features distinct sunny spells, which amplify the risks of intense UV radiation, especially during the late morning to early afternoon. By monitoring the UV Index, residents and visitors can make informed decisions about sun protection, ensuring a safer and healthier outdoor experience.
The UV Index paints a vivid picture of the sun’s strength throughout the day. Starting at a modest 2 at 07:00, the index gradually climbs as the sun ascends, reaching 4 by 08:00. By 09:00, it spikes to 6, and before long, it peaks at an impressive 11 at 12:00, marking the most intense exposure. The afternoon starts to cool slightly, with the index dropping to 10 by 13:00 and then tapering off through 8 at 14:00, 6 at 15:00, and back to 4 at 16:00. As the sun begins its descent, the UV Index falls to 2 by 17:00, lingering at 1 through the evening hours, creating a gentle reminder to enjoy the sun but also to stay mindful of its intensity during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 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 |
Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. From January to February, UV levels are moderate (UV Index 3 to 5), allowing for 30 minutes of burn time without protective measures. As spring approaches in March, the UV Index rises to 7, signifying high exposure risks, with a reduced safe exposure time of 25 minutes. The intensity peaks during the summer months, particularly in July, when the UV Index reaches an extreme level of 11, cutting burn time down to just 10 minutes. May, June, and August also present very high risks, with a UV Index of 10 and a burn time of only 15 minutes. As autumn arrives in September and October, conditions remain very high to high, respectively, offering 15 to 25 minutes of safe exposure time. The year closes out with moderate UV levels again in November and December at indices of 5 and 3, allowing 30 minutes of burn time. Visitors and residents should take precautions during the high-risk months—specifically from March to October—by wearing sunscreen, protective clothing, and sunglasses, and limiting direct sun exposure during peak hours to safeguard against skin damage.
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 |
| Chentuan | 3 | 5 | 7 | 8 | 10 | 10 | 11 | 10 | 8 | 7 | 5 | 3 |
| 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 |
| 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 |