Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Guandi, China, where the climate can expose you to varying levels of ultraviolet radiation throughout the day. As the sun reaches its peak intensity around noon, with a maximum UV Index of 10, being informed about these levels is crucial for preventing sunburn and protecting your skin health. With a Cwa climate characterized by warm summer months, Guandi can experience high UV exposure risks, especially during late morning and early afternoon. Stay aware, stay protected, and enjoy the sun safely!
The UV Index throughout the day presents a clear escalation and decline in sun exposure risk. Starting at a mild level 1 at 7:00 AM, it gradually climbs to a notable level 10 by noon, indicating peak midday sunlight intensity. The zenith occurs between 12:00 PM and 1:00 PM, where the index remains at 10, necessitating protective measures against harmful UV rays. As the afternoon progresses, the UV Index begins to taper off, dipping to level 7 by 3:00 PM and eventually returning to level 1 by 7:00 PM. To ensure skin health and safety, sun protection is essential during those high-risk hours around midday!
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 | 6 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 4 | 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 exhibits significant seasonal variations, highlighting specific periods that pose a higher risk for sunburn and skin damage. From March to September, the UV Index frequently reaches levels categorized as high to extreme, with April and May being the peak months (UV Index 9 and 11, respectively). Residents and visitors should be particularly cautious during these high-risk months, with recommended burn times dropping to as low as 10-15 minutes. As the index decreases in the fall and winter months, January and December see a return to a moderate exposure category, allowing for longer safe exposure times of 30 minutes. It is advisable for everyone to take necessary precautions, including the use of sunscreen, protective clothing, and seeking shade, especially during peak UV times in late spring and summer.
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 |
Guandi | 3 | 5 | 7 | 9 | 11 | 11 | 10 | 10 | 8 | 7 | 5 | 3 |
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 |