Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Baima, China, where the climate falls within the ET (Tundra) zone. With UV levels peaking significantly during mid-day—reaching as high as 20 at 1 PM—being aware of UV exposure is key to preventing sunburn and protecting your skin health. Given Baima's unique weather patterns and elevated UV risks, understanding how to adapt your outdoor activities accordingly can make all the difference in safeguarding your well-being under the sun.
The UV Index begins its gradual ascent at 7:00 AM, starting at a mild 1 and slowly climbing to 2 by 8:00 AM. By 9:00 AM, it jumps to 4, and quickly escalates through the morning. 10:00 AM marks a significant peak at 9, but the intensity doesn’t stop there; by 11:00 AM, the index soars to a staggering 13. The sun's force reaches its zenith at 12:00 PM with a maximum of 17, and it continues to rise, hitting 20 at 1:00 PM. As the afternoon unfolds, the intensity begins to wane, dropping to 19 by 2:00 PM, then gradually decreasing to 17 at 3:00 PM, 13 at 4:00 PM, and further down to 8 by 5:00 PM. The evening brings a gentle decline, settling at 4 by 6:00 PM and returning to a low of 1 at 7:00 PM. It's a vivid reminder of the sun's power, making sun safety an essential part of your day, especially during those peak hours!
| 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 | 9 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 17 | extreme | 10 min |
| 13:00 | 20 | extreme | 10 min |
| 14:00 | 19 | extreme | 10 min |
| 15:00 | 17 | extreme | 10 min |
| 16:00 | 13 | extreme | 10 min |
| 17:00 | 8 | very high | 15 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, significant seasonal changes in UV Index levels can impact both visitors and residents. The highest risk months, characterized by an extreme exposure category, span from February through October, with the peak in May and June, when the UV Index reaches 20 and the burn time drops to just 10 minutes. In contrast, January and December represent lower risk months, with January at a UV Index of 8 and a burn time of 15 minutes, and December dropping to a 7 with a burn time of 25 minutes. To ensure safety, it is essential for individuals to take precautions such as wearing sunscreen, protective clothing, and seeking shade, especially during the high-risk months when UV exposure is at its most dangerous. Staying informed and prepared can help in reducing the risk of sunburn and long-term 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 |
| 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 |
| Baima | 8 | 11 | 16 | 19 | 20 | 20 | 17 | 16 | 18 | 13 | 11 | 7 |