Last updated: July 2, 2025
Understanding the UV Index in Caidian, China is crucial for protecting your skin and ensuring your outdoor activities are safe and enjoyable. As the UV levels can peak dramatically, particularly during midday—reaching a maximum of 12—awareness of these readings is essential for preventing sunburn and long-term skin health issues. Caidian's humid subtropical climate (Cfa) often brings varying levels of sunlight, intensifying UV exposure risks throughout the day. Staying informed about the UV Index will empower you to take the necessary precautions, whether it’s seeking shade or applying sunscreen, to safeguard your well-being while enjoying the beautiful outdoors.
The UV Index data presents a clear peak in sun intensity during the midday hours. Starting from a low of 1 at 07:00, the values gradually increase, reaching a significant rise at 10:00 with a sharp climb to 8. The pinnacle occurs at 12:00, where the UV Index soars to a maximum of 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index begins to decline, dropping to 10 by 14:00 and then gently tapering off to 4 by 16:00. By evening, the UV Index settles back down to 1 after 18:00, emphasizing the importance of sun safety during those peak hours between 11:00 and 14:00. Stay protected and enjoy the sun safely!
| 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 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | 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, UV exposure varies significantly, with the highest levels occurring during the summer months. From March to August, the UV Index reaches very high to extreme levels, particularly peaking in June and July with an index of 12, which categorizes it as extreme, resulting in a burn time of just 10 minutes for unprotected skin. It's essential for visitors and residents to take precautions during these high-risk months; seek shade, wear protective clothing, and apply sunscreen generously. Conversely, the UV Index drops in the winter months, with January and December showing moderate levels (UV Index of 5 and 4 respectively), allowing for longer exposure times of 30 minutes before burning occurs. By staying informed about these seasonal changes, individuals can better protect themselves from harmful UV radiation year-round.
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 |
| Caidian | 5 | 6 | 8 | 9 | 10 | 11 | 12 | 12 | 10 | 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 |