Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Longkou, China, where the climate often presents significant sunlight exposure. Recognizing UV levels plays a vital role in preventing sunburn and protecting long-term skin health. With the peak UV Index reaching as high as 13 during the day, awareness becomes essential, especially around midday when risks are greatest. Longkou’s humid subtropical climate enhances these exposure risks, making it imperative to stay informed and take necessary precautions to enjoy the sun safely.
The UV Index for the day exhibits a striking daytime peak, rising steadily from a gentle 1 at 07:00 to an intense 13 by 12:00. As the sun reaches its zenith, the 11:00 and 12:00 hours warn of heightened exposure, with the index hitting its maximum at 13:00 before beginning its gradual decline. By 15:00, it slips to 7, reminding us that even in the afternoon, protection is vital. As the day winds down, the UV levels fall back to a safe 1 by 18:00, ensuring a return to safer conditions for evening activities. Stay vigilant and protect your skin during those midday 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 | 9 | very high | 15 min |
11:00 | 11 | 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 |
Throughout the year, the UV Index demonstrates significant seasonal variation, with high-risk months typically falling between February and September. During these months, the UV Index reaches its peak, particularly in May, July, and August, where it hits an extreme level of 13. This indicates a burn time of just 10 minutes, necessitating vigilant sun protection for both visitors and residents. January and December show moderate risk with a UV Index of 6, allowing for longer safe exposure times of 25 minutes. From October to November, the UV Index decreases to 8-9, maintaining a very high classification with 15 minutes of burn time. It is crucial for everyone to take precautions during the high UV months by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to avoid harmful effects.
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 |
Longkou | 6 | 9 | 11 | 11 | 13 | 12 | 13 | 13 | 11 | 9 | 8 | 6 |
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 |