Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xujia, China, a region characterized by its Cwa climate with distinct seasons. Knowledge of UV levels is essential not only for sunburn prevention but also for maintaining long-term skin health. With peak UV exposure reaching as high as 11 around midday, the risk of harmful effects from the sun rises significantly. As the sun shines brightly in Xujia, being aware of the UV Index empowers individuals to protect themselves while enjoying the outdoors safely, ensuring a balanced approach to sun exposure throughout the day.
As the sun rises, the UV Index begins its upward ascent, starting at a low 2 at 07:00. By 08:00, it climbs to 4, signaling a gradual increase in ultraviolet radiation exposure. The index peaks between 11:00 and 12:00, reaching a maximum of 11, a cautionary level indicating the need for sun protection. After this peak, the intensity starts to wane, dropping to 10 at 13:00 and gradually decreasing to 5 by 15:00. As the day winds down, the UV Index continues to decline, settling at 3 by 16:00 and ending the day at a safe 1 by 19:00. It's crucial to be sun-smart during the peak hours when the UV Index is highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, highlighting the importance of sun safety for both visitors and residents. From January to February, the UV levels remain in the moderate range (3-4), allowing for relatively safe outdoor exposure with a burn time of 30 minutes. However, by March, the UV Index escalates to high (6) with a reduced burn time of 25 minutes, signaling a shift. The peak risk occurs from April to August, with UV Index levels reaching very high (9-10) and extreme (11) ratings, particularly in July and August, where the burn time drastically reduces to just 10 minutes. As autumn approaches, UV exposure decreases, dropping to high in October and moderate levels again in November and December. It is crucial for everyone to take appropriate precautions, especially during the high-risk months of April to August, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours to minimize sunburn risks.
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 |
| Xujia | 3 | 4 | 6 | 9 | 9 | 10 | 11 | 11 | 8 | 7 | 4 | 3 |
| 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 |