Last updated: June 2, 2025
Staying informed about the UV Index is crucial for residents of Shitanjing, China, where the BWk climate brings diverse weather conditions and varying levels of UV exposure throughout the year. Understanding UV levels is essential for preventing sunburn and protecting your skin’s long-term health. With peak UV Index values soaring to 11 during midday, the risk of harmful effects from sun exposure is high, making it imperative to take necessary precautions. Whether you're enjoying outdoor activities or simply spending time in the sun, being aware of the UV Index can help you make informed decisions to keep yourself and your loved ones safe.
The UV Index fluctuates significantly throughout the day, peaking at an impressive 11 from noon to 1 PM. Starting the morning with a modest value of 1 at 7 AM, the index ramps up quickly, reaching 10 by 11 AM. As the sun climbs higher, it delivers its strongest rays, making midday the most critical time for sun exposure. The intensity gradually decreases in the afternoon, dipping to 3 by 5 PM and returning to a safe 1 by 7 PM. To stay safe under the sun, be sure to take protective measures during those highest UV 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 | 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 | 6 | high | 25 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, peaking during the summer months. Notably, March marks the transition to higher UV levels with an index of 7 (high), while April escalates to 9 (very high). From May to August, the UV Index reaches its peak at 11 (extreme), indicating a high risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes. September and October see a slight decrease, but the index remains notable at 9 and 6 respectively. For high-risk months—specifically May through August—it is imperative for visitors and residents to take protective measures, including wearing sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours. During the winter months, particularly November and December, UV levels drop significantly, with indexes at 4 and 2, allowing for more prolonged sun exposure without immediate risk.
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 |
Shitanjing | 3 | 4 | 7 | 9 | 11 | 11 | 11 | 11 | 9 | 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 |