Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Song Xian Chengguanzhen as it directly impacts skin health and sunburn risks. With the region's Cwa climate, which features hot summers and mild winters, the potential for harmful UV exposure can be significant, especially during the peak hours of 10 AM to 2 PM, when indices soar to as high as 11. Recognizing these UV levels allows you to take necessary precautions for safe sun enjoyment, ensuring that you stay protected while basking in the vibrant sunshine of Chengguanzhen.
As the sun rises and the day unfolds, the UV Index (UVI) presents a dynamic story of solar intensity. At 07:00, the UVI begins at a mild 1, barely making its presence felt. However, by 08:00, it climbs to 3, signaling the start of a sun-kissed day. The real rise begins at 09:00, peaking at 5, and reaching 7 by 10:00. The UVI hits its zenith at 12:00 with an intense 10, followed closely by a peak of 11 at 13:00—a critical time for sun safety. As afternoon wanes, the index begins to taper off, dropping to 10 at 14:00, and then gracefully descending to 7 by 15:00. By the evening hours, the UVI returns to a gentle 2 at 17:00, and finally, as twilight approaches, it settles back down to 1 by 18:00 and 19:00. This fluctuation serves as a reminder to stay sun-smart and enjoy the beauty of the day responsibly!
| 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 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, highlighting the importance of sun safety for residents and visitors alike. January and February start off with a moderate UV index of 4 and 5, where burn time is manageable at 30 minutes. However, as we transition into March, the UV index climbs to 7—a clear indication to take precautions—and reaches a peak during the summer months of June and July with an extreme rating of 11, where just 10 minutes of exposure can cause burns. April and May are also critical months, classified as very high with indices of 8 and 10 respectively. The risk remains elevated through August and September, but begins to taper off in October. November and December return to moderate levels, making sun exposure less risky. Visitors and residents should prioritize sun protection—such as sunscreen, hats, and clothing—especially from March to October, when the UV levels pose a higher risk for 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 |
| Song Xian Chengguanzhen | 4 | 5 | 7 | 8 | 10 | 11 | 11 | 10 | 9 | 8 | 4 | 3 |
| 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 |