Last updated: August 1, 2025
In Guandao, China, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. Understanding daily UV levels helps residents and visitors alike take proactive measures against harmful rays, particularly during the peak hours around noon when the UV Index can reach a high of 10. Guandao enjoys a humid subtropical climate (Cwa), meaning that sunny days can often lead to increased UV exposure risks. With proper knowledge of the UV Index, you can protect your skin and enjoy the beautiful outdoors 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 |
Guandao | 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 |