Last updated: July 2, 2025
Awareness of the UV Index in Wudan, China is crucial for safeguarding your skin health and preventing sunburn, especially given the area's dry, continental climate. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, protecting against harmful effects like skin damage and increased cancer risk. With peak UV readings reaching a substantial 10 around noon, the risk of overexposure is significant, making it essential to stay informed and take necessary precautions while enjoying the sunshine in this beautiful region.
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 experiences significant seasonal changes, with the highest levels occurring during the summer months of May to August. In March, the UV Index starts to rise, reaching high levels, while April and May see very high indexes of 8 and 9, respectively. The peak occurs in June, July, and August, where the UV Index reaches the maximum of 10, indicating extremely high risk for prolonged sun exposure. As the fall approaches, the index gradually decreases, dropping to moderate levels by October and November. Residents and visitors should be particularly cautious from April through August, ensuring they take protective measures, such as wearing sunscreen, sunglasses, and protective clothing during the peak hours of sunlight, typically between 10 a.m. and 4 p.m. Always be mindful of the sun’s strength and plan outdoor activities accordingly to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wudan | 2 | 3 | 6 | 8 | 9 | 10 | 10 | 10 | 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 |