Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Longjiang, China, where the potential for harmful sun exposure is a daily reality. With the UV levels peaking at 14 during mid-day hours, awareness of these values can significantly aid in sunburn prevention and promote long-term skin health. The Am climate zone contributes to typically high UV exposure risks, especially in the summer months, making it essential to stay informed and take protective measures when venturing outdoors. Whether you're working, relaxing, or playing in the sun, knowing the UV Index can help you safeguard your skin and enjoy all that Longjiang has to offer.
The UV Index reveals a dynamic range of exposure throughout the day, starting gently at 1 by 07:00 and climbing steadily to a peak of 14 between 12:00 and 13:00. As the sun reaches its zenith, safety precautions are crucial, especially during the hour of 11:00 when the index hits 11. After the intense midday sun, the index gradually descends, dropping to 9 at 15:00, and mellowing out to 1 by 19:00. This clear pattern underscores the importance of sun protection during the most intense hours, ensuring a safe and enjoyable time outdoors.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The seasonal UV changes reveal significant variations throughout the year, with January starting at a UV Index of 9 (very high exposure) and gradually climbing to a peak of 14 in May and July. From February to October, the UV Index remains predominantly in the extreme category, signaling high risk for skin damage with a swift burn time of just 10 minutes. November and December see a decline to a UV Index of 9 and 8 respectively, categorizing them as very high but allowing for slightly longer burn times of 15 minutes. Visitors and residents should be particularly cautious from February to October, when the UV risk is at its highest; it is advisable to wear sunscreen, protective clothing, and minimize sun exposure during peak hours to safeguard against harmful 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 |
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 |
Longjiang | 9 | 11 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 12 | 9 | 8 |