Last updated: May 3, 2025
In Runxi, China, understanding the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Knowing UV levels can help you take necessary precautions to prevent sunburn and maintain overall skin health. With a humid subtropical climate characterized by intense sunlight, Runxi experiences varying UV exposure throughout the day, peaking at a high of 12 between noon and 1 PM. By staying aware of the UV Index, residents and visitors can enjoy the outdoors while minimizing the risks associated with high UV levels.
The UV Index throughout the day showcases a clear escalation in sun intensity as the hours progress. Starting at 07:00 with a mild index of 1, it gradually climbs to 2 by 08:00 and significantly ramps up to 4 at 09:00. The sun reaches its peak at 12:00, soaring to a blistering 12, and maintains that level for the next hour, providing strong reminders for safety. As the day wanes, the index declines, dropping to 10 at 14:00 and then easing into 8 by 15:00, before returning to a more manageable 3 by 17:00. As evening approaches, the index gently settles back to 1, highlighting the importance of sun protection during those peak midday hours. Enjoy the sun, but remember to stay safe!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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 demonstrates significant seasonal changes, peaking during the summer months. From January to February, the UV Index ranges from 6 to 7, indicating a high risk of harm from unprotected sun exposure with a burn time of 25 minutes. As spring arrives in March, the index rises to 9 (very high) with a reduced burn time of 15 minutes, escalating to extreme levels (12) in April through June, where the burn time drops to just 10 minutes. July sees the peak UV Index of 13, before slightly declining to 12 in August. As we transition to fall, September and October remain very high with indexes of 10 and 9 respectively and a burn time of 15 minutes. By November, the levels decrease to 7 (high) and 5 (moderate) in December, extending burn times to 25 and 30 minutes. It’s essential for visitors and residents to stay vigilant, particularly from March to October, using sunscreen, seeking shade, and wearing protective clothing during peak UV hours to mitigate 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 |
| Runxi | 6 | 7 | 9 | 12 | 12 | 12 | 13 | 12 | 10 | 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 |