Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tongyangdao, China. With the region's BSk climate, which typically features warm summers and dry conditions, it’s essential to be aware of the sun’s intensity to prevent sunburn and protect your skin health. The UV levels here can reach a maximum of 10 during midday, indicating a high risk for harm—especially from 10 AM to 2 PM. By keeping an eye on the UV Index, you can take proactive measures to enjoy the beautiful outdoors safely while shielding your skin from potential damage. Remember, awareness is the first step towards sun safety!
The UV Index reaches its peak during the midday hours, showcasing a vibrant sun's intensity. Starting with a gentle 1 at 07:00, it gradually escalates to 3 by 08:00. As the day progresses, the index soars to 5 at 09:00, hitting 7 by 10:00. The real highlight occurs between 11:00 and 13:00, when it peaks at an impressive 10, urging everyone to take caution. Following this, the index begins a slow descent, dropping to 9 at 14:00 and gradually declining to 5 by 16:00. By 18:00, it reduces to 2, finally settling back at 1 by 19:00. This hourly data highlights the importance of sun safety during the peak hours of the day.
| 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 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | 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 |