Last updated: May 3, 2025
Understanding the UV Index is essential for the residents of Shuangcheng, China, where varying levels of sunlight exposure can significantly impact skin health. With the climate categorized as Dwa, characterized by distinct seasons, the intensity of UV radiation can fluctuate greatly throughout the day, peaking between 11:00 AM and 1:00 PM when levels reach as high as 8. Being aware of these levels is crucial for sunburn prevention and maintaining overall skin health, as UV rays can lead to both immediate discomfort and long-term damage. By tuning into the UV Index, residents can make informed decisions to protect themselves and enjoy the sunny days that Shuangcheng has to offer.
The UV Index displays a dynamic range of values throughout the day, peaking at 8 around 11:00 AM, indicating a high risk of harm from unprotected sun exposure. Morning hours begin with a gentle increase, starting at 2 at 07:00 AM, climbing steadily to 4 by 08:00, and reaching 6 at 09:00. As the sun climbs higher, it hits 7 by 10:00 AM and maintains this intensity until early afternoon. From 01:00 PM onwards, the index dips gradually, dropping to 5 at 02:00 PM, before falling to 3 by 03:00 PM. By late afternoon, the UV threat wanes significantly, descending to 1 by 05:00 PM, and finally touching 0 at 07:00 PM, signaling a safe end to the sun's day. This data underscores the importance of sun protection, especially during midday when UV exposure reaches its zenith.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk months occurring from May to August, when the UV Index reaches levels categorized as very high (UV Index 8-9). During these months, the burn time drastically decreases to just 15 minutes, emphasizing the need for protection. Conversely, the low risk months of January, November, and December offer a safer environment with a UV Index of 2 and a burn time of 45 minutes. As such, visitors and residents should be particularly vigilant during peak summer months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, while enjoying the milder winter months with less concern for UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shuangcheng | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| 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 |
| 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 |