Last updated: August 1, 2025
In Chenshi, China, understanding the UV Index is vital for protecting your skin and promoting overall health. The UV Index provides crucial information about the intensity of ultraviolet radiation, enabling residents and visitors to take necessary precautions against sunburn and long-term skin damage. With Chenshi's Cfa climate resulting in high UV exposure, particularly around midday, being aware of these levels can make a significant difference in your outdoor activities. Notably, the UV Index peaks at a staggering 11 from noon to 1 PM, highlighting the importance of sun safety measures during these hours. Stay informed, protect your skin, and enjoy the beautiful days ahead!
The UV Index fluctuates throughout the day, beginning with a gentle rise from a modest 1 at 07:00 to a peak of 11 at noon. As the sun reaches its highest point, the intensity of UV radiation escalates, urging caution and protection. The index remains high until 14:00, maintaining a reading of 10, before gradually declining in the afternoon. By 17:00, it drops to 3 and cools off to 1 by evening, highlighting the dramatic shift in UV exposure as daylight fades. For a sun-safe day, plan outdoor activities in the morning or later in the evening!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | 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, seasonal UV changes significantly impact sun exposure and potential skin damage. During the early months of January and December, the UV Index is moderate (5 and 4 respectively), allowing for longer burn times of 30 minutes. However, as spring approaches, there's a notable increase, reaching very high levels by March (8) and April (10). The months from May to August are particularly high-risk, featuring an extreme UV Index (11-12) with a minimal burn time of just 10 minutes. As summer transitions to fall, the UV levels decrease slightly, but September still poses a risk with a UV Index of 9. To safeguard against sunburn and long-term skin damage, it’s advisable for visitors and residents to take precautionary measures during high-risk months: seek shade, wear protective clothing, and apply broad-spectrum sunscreen frequently, especially from March to August.
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 |
| Chenshi | 5 | 6 | 8 | 10 | 11 | 11 | 11 | 12 | 9 | 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 |