Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Dietaisi, China, where the climate often presents heightened risks of sun exposure. With UV levels peaking at 11 between noon and early afternoon, being aware of these fluctuations can play a significant role in preventing sunburn and protecting long-term skin health. In this region characterized by a Dwb climate, the intense sunlight during the warmer months necessitates vigilance to mitigate potential UV-related health issues. Embracing UV Index awareness empowers you to enjoy the outdoors while safeguarding your skin from harmful rays.
The UV Index data paints a vivid picture of a day under the sun, starting with a gentle maximum of 1 at 7 AM. As the morning progresses, the index gradually climbs, reaching 3 by 8 AM and hitting 5 by 9 AM. However, the real intensity arrives around 10 AM, when the UV Index peaks at a striking 11—a clear signal to seek shade and protect your skin. It remains at this maximum level until 1 PM, heralding the highest potential for sunburn and skin damage. As the afternoon unfolds, the index begins to taper off, dropping to 9 at 2 PM, then further declining to 5 by 4 PM. By evening, the intensity wanes, returning to a mild 1 by 6 PM and staying low through the rest of the night. Enjoy the sunshine, but remember to stay safe during those peak hours!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
Throughout the year, UV exposure varies significantly, with notable peaks during the warmer months. High-risk months for UV exposure include April to August, where the UV Index reaches extreme levels (11), requiring only 10 minutes of unprotected sun exposure before burn risk increases. In April and September, the UV Index remains very high at 9, while March and October see high levels at 6 and 7, respectively. During the winter months (January, February, November, and December), the UV Index drops to moderate levels (3 to 5), allowing for longer burn times of 30 minutes. Visitors and residents are advised to take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize skin damage and health risks.
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 |
| Dietaisi | 3 | 5 | 6 | 9 | 11 | 11 | 11 | 11 | 9 | 7 | 4 | 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 |