Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Tongyangdao, China, where exposure to powerful UV rays can pose significant risks to skin health. With a typical BSk climate featuring sunny days and seasonal variations, knowing the UV levels helps individuals take proactive measures against sunburn and long-term skin damage. During peak hours, especially around noon when the index reaches a high of 10, protecting oneself from harmful rays becomes essential to enjoy the beautiful surroundings while prioritizing health and safety.
As the sun rises, the UV Index steadily climbs, beginning at a gentle 1 at 07:00. By mid-morning, it peeks to a moderate 5 at 09:00, but the real intensity hits during the late morning hours. At 11:00, the index reaches a striking 9, peaking at a maximum of 10 from 12:00 to 13:00—ideal conditions for sun lovers, but caution is advised! As afternoon rolls in, the UV levels gracefully decline, tapering to 7 by 15:00 and then steadily dropping to 1 by 19:00. This data highlights the importance of protecting your skin during the peak hours of 11:00 to 13:00, ensuring a safe and enjoyable day under the sun.
| 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 | 10 | very high | 15 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 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with noticeable peaks in the late spring and summer months. January and December present the lowest UV Index values at 2, indicating a low risk for sunburn (burn time: 45 minutes). As the year progresses, February sees an increase to 4 (moderate risk, 30 minutes burn time), leading into March with a high of 6 (high risk, 25 minutes). The high-risk months are from April to July, especially with the peak in July reaching an extreme UV Index of 11, where burn time is reduced to just 10 minutes. May, June, and August maintain a very high level of risk with indices of 10. As fall approaches, the UV exposure decreases, with September at 8 and October at 6. Residents and visitors are advised to be especially cautious during the peak months of April to July, practicing sun safety by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risk of 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 |
| Tongyangdao | 2 | 4 | 6 | 9 | 10 | 10 | 11 | 10 | 8 | 6 | 3 | 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 |