Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Songzhu, China, where the subtropical climate can lead to significant sun exposure. With peak UV levels reaching as high as 14 during midday hours, being aware of these radiation levels is essential for preventing sunburn and protecting your skin health. Knowing how to gauge UV intensity not only helps you enjoy outdoor activities safely but also minimizes long-term risks associated with UV damage. In Songzhu, where sunny days are plentiful, staying informed on UV Index levels empowers you to make better choices about sun protection and skin care, ensuring you can enjoy the beautiful weather while safeguarding your health.
As the sun rises, so does the UV Index, peaking at a striking 14 by 1 PM. Starting with a gentle 1 at 7 AM, it gradually ramps up to a moderate 5 by 9 AM, before surging to 11 at 11 AM, and reaching its zenith of 13 at noon. The sun's intensity remains fierce, hitting 14 by 1 PM, before tapering down to 12 at 2 PM and then decreasing steadily throughout the afternoon. By 6 PM, the UV Index drops to a mild 1, indicating a substantial retreat of the sun's harsh rays. If you're venturing outdoors, be sure to protect your skin during those peak hours—especially between 11 AM and 2 PM when the UV levels are at their highest!
| 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | 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 experiences significant seasonal changes, peaking during the summer months. January and February have a very high UV Index of 8 and 10, respectively, with a burn time of just 15 minutes. However, starting from March, the UV Index escalates to an extreme level of 12 and continues at 13 through June, with the highest reading of 14 in July and August—both having a burn time of only 10 minutes. The fall months of September and October see a slight decline, dropping back to 12, while November and December return to 9 and 8, respectively, maintaining a very high risk. Residents and visitors should be especially cautious during the high-risk months of March through October, adopting sun protection measures like wearing sunscreen, hats, and sunglasses, and seeking shade when necessary to minimize burn risk.
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 |
| 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 |
| Songzhu | 8 | 10 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 12 | 9 | 8 |