Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Shidi, China, particularly as this region experiences the Cfa climate, characterized by hot summers and mild winters. Being aware of UV levels can greatly aid in preventing sunburn and maintaining skin health, especially during peak hours when the UV Index soars. With values reaching as high as 11 around noon, it's crucial for locals and visitors alike to protect themselves during these times to mitigate the risks associated with overexposure. Embracing this knowledge not only enhances personal safety but also promotes an overall healthier lifestyle under the vibrant sun of Shidi.
The UV Index throughout the day reveals some interesting patterns. The day starts gently at 07:00 with a low index of 1, gradually rising to 2 by 08:00. A significant surge occurs as the sun climbs higher, peaking at 11 during the midday hours of 12:00 and 13:00—a clear signal to take precautions against harmful UV rays. As the afternoon progresses, the intensity begins to decline, dropping to 8 at 15:00 and further down to 2 by 17:00. By the time evening sets in, the UV Index returns to 1 at 18:00 and 19:00, marking a steep drop-off after the sun’s zenith. It's a reminder to stay sun-safe, especially during those midday hours when UV exposure is at its highest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal variations, with the highest levels occurring from April to September. During this period, the index reaches extreme levels, peaking in July at 13. The high-risk months for sun exposure include March through September, where the burn time drastically decreases; for example, in March it is only 15 minutes, and by April to September, it shortens to just 10 minutes. Conversely, January, February, and November present high but less intense UV exposures, with burn times of 25 minutes. Visitors and residents are advised to take precautionary measures during high UV months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize skin damage. Remember, even on cloudier days, UV rays can still cause harm!
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 |
Shidi | 6 | 7 | 9 | 11 | 11 | 12 | 13 | 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 |