Last updated: August 1, 2025
In Gangwei, China, being aware of the UV Index is essential for protecting your skin health and preventing sunburn, especially during the peak sunlight hours when UV levels can soar to a high of 13 around noon. Understanding these levels empowers residents and visitors alike to take necessary precautions, ensuring enjoyable outdoor activities without the risk of harmful exposure. With a Cfa climate characterized by hot summers and ample sunshine, Gangwei presents unique challenges regarding UV exposure. Stay informed and make sun safety a priority to enjoy the beautiful weather while safeguarding your skin!
The UV Index throughout the day reveals a dynamic pattern of solar intensity. Starting from a gentle 1 at 7:00 AM, the index escalates swiftly, peaking at a striking 13 by noon. This midday surge signals the need for sun protection as the index reaches its highest point at 12:00 PM, hovering around 12 to 13 until 1:00 PM. As the afternoon progresses, the intensity begins to wane, dropping to 10 by 2:00 PM and then descending steadily to 7 at 3:00 PM, 4 at 4:00 PM, and eventually dwindling to a safe 1 by 6:00 PM. After 7:00 PM, the UV level flatlines at 0, marking the end of peak sun exposure. Remember, during those peak hours, especially from 10 AM to 2 PM, it's vital to prioritize skin safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variations, peaking during the summer months. January sees a moderate UV Index of 7, classified as high, with a burn time of 25 minutes. In February, the index jumps to 9, categorized as very high, decreasing burn time to 15 minutes. The risk escalates sharply in March and April, where values reach 11 and 12, respectively, indicating extreme exposure with burn times reduced to just 10 minutes. The summer months of June, July, and August maintain the highest UV Index of 13, with sustained extreme risk and the same short burn time. As fall approaches, the index gradually declines, with September returning to 11 and October to 10, both classified as very high. November mirrors February with a 9, while December drops back to 7. Residents and visitors are advised to take precautionary measures during February through September, ensuring proper sun protection to minimize 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 |
| Gangwei | 7 | 9 | 11 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 | 7 |
| 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 |