Last updated: June 2, 2025
Understanding the UV Index is essential for residents in Yigou, China, as it serves as a crucial indicator of sun exposure levels throughout the day. With the potential for sunburn and long-term skin damage, being aware of UV levels is vital for maintaining skin health. Yigou's temperate climate, characterized by humid summers, often leads to elevated UV exposure, particularly during peak hours when the index reaches a maximum of 10 around noon. By staying informed about the UV Index, you can better protect yourself and enjoy the sunny days with confidence!
The UV Index for the day offers a dynamic range that peaks around midday. Starting at a mild level of 1 at 07:00, the intensity gradually escalates, reaching a notable 3 by 08:00. As the sun climbs higher, the index hits 5 at 09:00 and gets serious by 10:00 with a 7. The true zenith arrives at 12:00, where the UV Index soars to an impressive 10, signaling the highest sun exposure risk. The afternoon sees a gradual decline—dropping to 9 at 13:00 and then easing to 8 by 14:00. By late afternoon, the index falls to 5 at 15:00, continuing its descent to 3 at 16:00, 2 at 17:00, and finally tapering back to 1 as the evening sets in. Stay sun-smart during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | 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 in the region exhibits notable seasonal variations that significantly impact sun exposure safety for residents and visitors. From January to February, the UV Index remains moderate (3-4), allowing for a burn time of 30 minutes without significant risk. However, as spring approaches, March sees an increase to 6, marking the start of high-risk sun exposure, with a decreased burn time of 25 minutes. The months of April through August represent the peak danger period, characterized by very high UV levels (8-10) and a minimal burn time of just 15 minutes. September and October witness a decline to high UV levels (7), reverting to a 25-minute burn time. Finally, November and December return to moderate exposure conditions (3-4), with a safe burn time of 30 minutes. Visitors and residents should exercise caution, especially during the high-risk months from March to October, by seeking shade, wearing protective clothing, and regularly applying sunscreen to mitigate the effects of increased UV radiation.
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 |
| Yigou | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 7 | 7 | 4 | 3 |
| 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 |