Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Jiajiaying, China, where the climate is characterized by cold winters and warm summers (Dwb zone). With ultraviolet radiation peaking during the day, especially between 10 AM and 2 PM, awareness of UV levels can significantly aid in preventing sunburn and protecting long-term skin health. On days when the UV Index reaches as high as 9, even short exposure times can lead to skin damage, making it essential for locals and visitors alike to stay informed about daily UV fluctuations and take proactive measures against sun exposure.
As the day unfolds, the UV Index climbs steadily, peaking at a maximum of 9 between 11:00 AM and 12:00 PM, signaling the most intense sun exposure. Early risers at 7:00 AM experience a gentle 2, but by 8:00 AM, the intensity increases to a moderate 4. The midday hours bring the highest risk, with values hitting 8 at 10:00 AM and maintaining a robust 9 just before noon. As the afternoon wanes, the index begins to decline, dipping to 7 at 1:00 PM, and gradually falling to 5 and 4 by 2:00 PM and 3:00 PM, respectively. By 4:00 PM, it drops to a mere 2, ending the day with a minimal 1 at 5:00 PM and fading to 0 by 7:00 PM. It's a great reminder to protect your skin during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 9 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 7 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
During the year, the UV Index experiences significant seasonal changes, peaking in the summer months. The highest risks occur from June to August, when the UV Index reaches extremes of 10 to 11, resulting in a burn time of only 10 minutes. In contrast, from January to February, the UV Index remains moderate, with a burn time of 30 minutes, while it escalates to high levels in March and October. Visitors and residents should be particularly vigilant during the spring and summer months by seeking shade, wearing protective clothing, and applying sunscreen regularly to reduce the risk of sunburn and long-term 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 |
Jiajiaying | 3 | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 8 | 6 | 3 | 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 |