Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Xijiadian, China, as it provides vital information about harmful ultraviolet radiation exposure throughout the day. With peak UV levels reaching as high as 11 at noon, awareness of these fluctuations is essential for preventing sunburn and promoting overall skin health. Xijiadian enjoys a humid subtropical climate (Cfa), which often leads to increased UV exposure risks, particularly during the summer months. Staying informed about UV levels can empower you to take protective measures, ensuring your time outdoors is safe and enjoyable.
At sunrise, the UV Index starts low at 1, gradually increasing to 3 by 8:00 AM. As the day progresses, the sun’s intensity peaks at 12:00 PM with an impressive 11, signaling that midday is when UV exposure is at its highest. Shortly thereafter, the index slightly declines to 10 at 1:00 PM, before tapering off through the afternoon: 9 at 2:00 PM, 7 at 3:00 PM, and dropping to 4 by 4:00 PM. As evening approaches, the UV Index diminishes to 2 at 5:00 PM and finally returns to its morning levels of 1 by 6:00 PM, showcasing the natural ebb and flow of sunlight throughout the day. Be sure to protect your skin during peak hours between 11:00 AM and 1:00 PM!
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | 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 |
The UV Index varies throughout the year, indicating significant seasonal changes in sun exposure risk. From January to February, the UV Index remains steady at 5 (moderate), with a burn time of 30 minutes. However, as spring approaches, the UV Index surges to 8 in March and peaks at 11 during the summer months of May to August, classified as extreme with a notably reduced burn time of only 10 minutes. The risk begins to taper off in September (UV Index 10) and October (UV Index 8), before reverting to moderate levels in November and December. Visitors and residents alike are strongly advised to take extra precautions, especially during the high-risk months from March to October, by wearing sunscreen, protective clothing, and seeking shade to avoid harmful UV exposure.
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 |
| Xijiadian | 5 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 8 | 5 | 4 |
| 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 |