Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xidi, China, where the climate can lead to significant sun exposure, particularly during the peak hours of the day. As UV levels reach their highest between 10:00 AM and 2:00 PM, awareness of these levels is essential for preventing sunburn and protecting skin health. With a climate characterized by dry and warm conditions, Xidi presents specific UV exposure risks that can impact everyone, especially during the hotter months. Staying informed about the UV Index not only helps in safeguarding your skin but also enhances your overall well-being while enjoying this beautiful destination.
As the sun rises, the UV Index begins its ascent, starting at a mild 2 at 07:00. It steadily ramps up, reaching a moderate 4 by 08:00, and escalates to 6 at 09:00, signaling caution for those heading outdoors. By 10:00, the intensity peaks at 8, and by 11:00, it hits a staggering 9. The zenith arrives at 12:00 with a high of 10, demanding protective measures for everyone exposed. The levels begin to wane in the afternoon, dipping to 9 at 13:00 and gradually decreasing to 8 by 14:00. As the day transitions into evening, the index slides down to 6 at 15:00, further declining to 4 at 16:00, and finally resting at a low of 1 by 19:00. This dynamic UV profile highlights the importance of sun safety during peak hours, especially in the midday sun.
| 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 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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, the UV Index shows significant seasonal variations, indicating changes in the sun's intensity. January and December have the lowest UV levels (2), categorized as low exposure, allowing for longer burn times of up to 45 minutes. However, as we transition into February and March, the index rises to moderate (4) and high (6) categories, respectively, with reduced burn times of 30 and 25 minutes. The most critical months for sun exposure are from April to August, where the UV Index reaches its peak at 10 during June and July, classified as very high exposure with a rapid burn time of just 15 minutes. The UV levels then gradually decrease in September to high (7) and back to moderate levels in October and November. Visitors and residents are advised to take extra precautions during the high-risk months of April to August, by wearing protective clothing, applying sunscreen frequently, and minimizing sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Xidi | 2 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| 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 |