Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Shalan, China, especially in a climate zone like Dwb, where sun exposure can vary dramatically throughout the day. With the potential for high UV levels, peaking at 8 around midday, it's essential to be aware of how UV radiation affects skin health and can lead to painful sunburns. By staying informed about UV levels, you can take necessary precautions—like wearing sunscreen, protective clothing, and seeking shade during peak hours—ensuring your time outdoors is both enjoyable and safe. Be proactive about your sun safety and avoid those afternoon UV peaks!
The UV Index data reveals a dynamic pattern throughout the day, peaking at 8 between 11:00 AM and 12:00 PM, indicating a high level of UV radiation that calls for protective measures. As the morning unfolds, the index rises steadily from 3 at 7:00 AM to a notable 7 by 10:00 AM, prompting early birds to apply sunscreen. Following the midday peak, there’s a gradual decline in UV exposure, dropping to 5 by 2:00 PM and continuing to decrease towards evening, with values reaching 1 by 5:00 PM and further tapering off to 0 after 7:00 PM. This data underscores the importance of awareness and protection during those crucial midday hours when UV intensity is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 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 | 8 | very high | 15 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, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk that visitors and residents should be aware of. From January to March, the index remains low to moderate, allowing for safer outdoor activities; however, as we move into April with a UV Index of 7, precautions should be taken as the risk escalates to high. The months of May through August present the highest risk, with UV Index values peaking at 10 in June and July, classifying these months as extremely hazardous for sun exposure, with a reduced burn time of just 15 minutes. By September, the index drops to 7, indicating high risk again, before returning to moderate levels in the fall and winter months of October to December. Therefore, during May to August, it is crucial for individuals to protect themselves from UV radiation by seeking shade, wearing protective clothing, and applying sunscreen frequently to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shalan | 2 | 3 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 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 |