Last updated: June 2, 2025
In Huyuan, China, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With a climate characterized by dry winters and overcast summers (Dwc), residents and visitors alike should recognize the varying UV levels throughout the day. Understanding these levels helps individuals take essential precautions against harmful rays, especially when the index peaks at 8 between 11:00 AM and 12:00 PM. This knowledge not only enhances outdoor enjoyment but also safeguards long-term skin health. Remember, even on cloudy days, UV exposure can pose risks, so stay informed and protect your skin!
The UV Index reveals a distinct daily rhythm, peaking mid-morning to early afternoon. Starting off gentle at 2 at 07:00, it swiftly rises to a moderate 4 by 08:00. As the sun climbs higher, the UV Index escalates to 5 at 09:00, reaching its zenith of 8 from 11:00 to 12:00. During these hours, sun protection is strongly advised, as the intensity can lead to harmful effects on unprotected skin. Following the peak, the index declines gradually, falling to 6 at 14:00, and continuing to decrease to 1 by 18:00, signifying a safer period as daylight wanes. Keep these fluctuations in mind for optimal UV safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 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 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes, indicating varying levels of sun exposure risk. From January to February, the UV Index is at a low level (1-2), allowing for leisurely outdoor activities without much concern, with burn times of 45 minutes. This risk begins to rise in March (UV Index 4) as exposure becomes moderate, reducing burn time to 30 minutes. The high risk months peak from April to July, with the UV Index reaching 8, representing very high exposure during June and July, where burn times drop drastically to just 15 minutes. As summer wanes in August, the index remains high at 7, moving back to moderate levels by September (UV Index 5) and October (UV Index 3), with burn times extending to 30 minutes again. For November and December, the exposure category returns to low, providing 45 minutes for sun exposure. It is crucial for visitors and residents to stay informed and take precautions during the high-risk months of April through August, such as wearing protective clothing, using sunscreen, and seeking shade to mitigate the risk of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Huyuan | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| 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 |