Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Shijiang, China, where the sun can be both a source of warmth and a potential risk for skin health. With UV levels peaking during midday, reaching a maximum of 13 between 1 PM and 2 PM, awareness of these indices helps prevent sunburn and long-term skin damage. The Cfa climate of Shijiang, characterized by hot summers and varying cloud cover, can lead to increased UV exposure. By staying informed about the daily UV Index, you can enjoy the outdoors while safeguarding your skin from harmful radiation.
The UV Index rises sharply as the day progresses, peaking in the early afternoon. At 07:00, it starts at a mild 1, but by 09:00, it escalates to 5, signaling the arrival of more intense sunlight. 10:00 sees the index reach 8, and by 11:00, it hits a formidable 11, indicating high exposure risk. Just one hour later, the UV Index reaches its zenith at 12:00 with a striking 12, and the maximum is recorded at 13:00 at 13. However, after this peak, UV levels begin to descend, dropping to 11 by 14:00, and gradually falling to 8 at 15:00. As the sun sets, the UV Index dwindles to 5 by 16:00, and finally tapers off to 3 at 17:00, before returning to a safe 1 from 18:00 onwards. It's a day to heed sun safety, particularly during those intense midday hours!
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 | 12 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring from April to August. During this period, the UV Index reaches extreme values of 11 to 13, resulting in burn times as short as 10 minutes, making these months particularly high-risk for sun exposure. Notably, February and March also present very high levels, with UV Index readings of 9, indicating burn times of only 15 minutes. As autumn approaches, the risk decreases, with October and September at a very high level of 10 and 9, respectively. For optimal sun safety, residents and visitors are advised to take precautionary measures, such as wearing sunscreen and protective clothing, especially during the high-risk months from April to August.
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 |
Shijiang | 6 | 9 | 9 | 11 | 12 | 12 | 13 | 13 | 10 | 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 |