Last updated: July 2, 2025
In Changliang, China, staying aware of the UV Index is essential for maintaining healthy skin and preventing sunburn. Understanding UV levels can help you take the necessary precautions to protect yourself, especially during the hottest parts of the day when the UV Index peaks at a striking 12 between 12:00 PM and 1:00 PM. With a Cwa climate characterized by warm summers, residents and visitors alike should be mindful of the increased risk of UV exposure. By knowing the daily UV levels, you can enjoy the outdoors safely while safeguarding your skin health.
The UV Index throughout the day showcases a stark increase as the sun rises, starting from a mild 1 at 07:00 and peaking at a striking 12 between 12:00 and 13:00. This significant surge highlights the importance of sun protection, especially during the hours when the index reaches maximal levels of 10 at 11:00 and 11 at 14:00. As the afternoon wanes, the UV Index begins to decline, dropping to 8 by 15:00 and finishing the day with a gentle return to 1 by 19:00. This data serves as a crucial reminder to prioritize sun safety during midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, peaking in the summer months. From January to February, the UV Index begins at 6 and escalates to 7, categorizing the exposure as high, with a burn time of 25 minutes. As spring approaches, March sees an increase to 8 (very high), leading to a decrease in burn time to 15 minutes. The UV Index reaches its maximum intensity from April to September, with values between 11 and 13 (extreme), resulting in a critical burn time of only 10 minutes. The risk notably subsides in October with a drop to 9 (very high) and continues to decline throughout November and December, when the levels are 7 (high) and 5 (moderate) respectively, allowing for 25 and 30 minutes before burn occurs. Visitors and residents are advised to take precautionary measures during the high-risk months (April to September), ensuring adequate sun protection such as sunscreen, hats, and protective clothing to minimize the risk of skin damage.
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 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Changliang | 6 | 7 | 8 | 11 | 12 | 13 | 12 | 12 | 11 | 9 | 7 | 5 |
| 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 |