Last updated: August 1, 2025
In Changfu, China, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels can help you prevent sunburn and maintain long-term skin health, making it essential for anyone spending time outdoors. With Changfu's humid subtropical climate (Cfa), you can expect higher UV exposure, particularly around midday when the UV Index peaks at a warning level of 12. Knowing these UV levels allows residents and visitors to take appropriate measures to shield themselves from the sun, ensuring a safer and more enjoyable time in this beautiful region.
During the morning hours, the UV Index starts off low at 1 at 7:00 AM, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the intensity ramps up, peaking at 12 around 12:00 PM and 1:00 PM, suggesting a high risk for harm, especially for those spending extended periods outdoors. Post-peak, the index gradually declines, dropping to 7 at 3:00 PM and further down to 1 by 7:00 PM, which indicates a return to minimal risk as the sun sets. For sun enthusiasts, midday offers the most intense UV radiation, making sun protection essential during those 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 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | 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 experiences notable fluctuations throughout the year, with the highest values occurring from March to September. During these months, particularly from May to August, the UV Index reaches an extreme level of 12, indicating a significant risk of harm from unprotected sun exposure with a burn time as low as 10 minutes. High-risk months include March (9), April (10), and October (9), where the exposure is categorized as very high and the burn time is reduced to 15 minutes. Residents and visitors are strongly advised to take precautions during these periods, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak sun hours to minimize the risk of sunburn and long-term skin damage. As winter approaches, the UV index gradually decreases, with December recording a moderate level of 5, allowing for more relaxed sun exposure guidelines.
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 |
Changfu | 6 | 7 | 9 | 10 | 12 | 12 | 12 | 12 | 11 | 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 |