Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Dingdian, China, where the climate falls within the Cfa zone, bringing warm summers and ample sunlight. Knowing the daily UV levels can significantly aid in sunburn prevention and maintaining long-term skin health. With peak UV exposure reaching an intense 11 around midday, it's essential to stay informed about the risks associated with outdoor activities during these hours, especially to protect against harmful effects like skin damage. By recognizing these fluctuations, you can enjoy the beautiful Dingdian outdoors while prioritizing your well-being!
As the day unfolds, the UV Index rises sharply, peaking between 11:00 AM and 12:00 PM at an intense 11, signaling the need for sun protection. Early morning hours start relatively low, with values of 2 at 7:00 AM and escalating to a moderate 3 by 8:00 AM. The index then surges, hitting 6 by 9:00 AM and soaring to 9 at 10:00 AM. After reaching its zenith, the UV exposure begins to decline in the afternoon, tapering to 8 at 2:00 PM, followed by a gentle descent from 6 at 3:00 PM to 1 by 6:00 PM. Finally, the UV Index dips to a safe 0 at 7:00 PM, as the sun sets and the risk of UV radiation diminishes. Stay protected during the peak hours to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | 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 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal UV changes indicate a significant increase in UV exposure as the year progresses, with high-risk months being from March to October, where the UV Index reaches as high as 11 (extreme). Specifically, May to August poses the greatest risk, with a burn time of just 10 minutes in direct sunlight. Residents and visitors are advised to take precautionary measures during these months, including wearing protective clothing, sunglasses, and sunscreen to mitigate harmful effects. As the UV Index begins to decline in September, it remains important to stay vigilant until it drops to more moderate levels by December, when the burn time increases to 30 minutes again.
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 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Dingdian | 5 | 6 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 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 |