Last updated: July 2, 2025
In Jihuluntu Sumu, China, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and long-term skin damage, particularly during the peak UV hours when the index reaches a significant high of 10 around noon. With a BSk climate characterized by sunny, dry conditions, residents and visitors alike should be vigilant about their UV exposure risks, especially from late morning to early afternoon. Embracing UV Index awareness can empower you to enjoy the outdoors safely while safeguarding your skin from harmful rays.
As the day unfolds, the UV Index reveals a dynamic pattern that encourages cautious sun exposure. Starting gently at 1 at 07:00, the intensity slowly climbs to a moderate 2 by 08:00. However, the real ascent begins at 09:00, when the index reaches 4. The peak occurs between 12:00 and 13:00, with an impressive 10, indicating a high risk of harm from unprotected sun exposure. Following this peak, the UV levels gradually decline, dipping to 9 at 14:00 and then decreasing further to 3 by 17:00. As evening approaches, the UV Index wanes to 1 by 18:00 and 19:00, emphasizing the importance of smart sun safety, especially during the midday hours when the sun's rays are most potent.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | 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 | 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 |
The UV Index demonstrates significant seasonal changes, with the highest values occurring during the late spring and summer months. April to September are particularly high-risk months, featuring very high to extreme exposure categories, where burn times can be as short as 10 to 15 minutes. Visitors and residents should be especially cautious during these months, utilizing sunscreen, wearing protective clothing, and seeking shade during peak sun hours. In contrast, the winter months of December and January see lower UV levels, making them relatively safer for outdoor activities, though moderate exposure persists in January and February. Staying informed and prepared year-round is essential for protecting skin health while enjoying the outdoors.
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 |
| Jihuluntu Sumu | 3 | 4 | 6 | 9 | 10 | 11 | 10 | 10 | 8 | 6 | 3 | 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 |
| 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 |