Last updated: May 3, 2025
Understanding the UV Index in Changba, China is crucial for protecting your skin and overall health, especially given the region's humid subtropical climate (Cfa). With peak UV levels reaching as high as 12 during midday hours, awareness of these fluctuating UV levels can help residents and visitors alike prevent sunburn and reduce long-term skin damage. Learning when to seek shade or apply sunscreen ensures that you can enjoy the sun safely while minimizing the risks associated with intense UV exposure. Stay informed and take charge of your sun safety in Changba!
At dawn, the UV Index starts off gently, peaking at just 1 by 7:00 AM. As the sun climbs higher, its intensity increases rapidly, reaching 4 by 9:00 AM and striking 10 by 11:00 AM—a clear warning to seek shade or slather on sunscreen. The highest reading of 12 occurs at both noon and 1:00 PM, indicating peak solar intensity. Fortunately, as afternoon approaches, the index begins to wane, dropping to 8 by 3:00 PM and further declining to below 5 by 4:00 PM. By the time 7:00 PM rolls around, the UV danger has diminished significantly, settling back to a safe 1. Stay protected 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 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | 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 |
The UV Index demonstrates significant seasonal variation, with the highest levels typically occurring from March to August. During this period, particularly in April, May, June, and July, the index reaches an extreme range of 12-13, indicating a very short burn time of just 10 minutes. March and September to October show a decrease, falling into the very high category with a burn time of 15 minutes. Conversely, the months of January, February, and November are still notable with high UV levels, allowing for 25-minute burn times. In December, the UV Index drops to a moderate level, with a burn time of 30 minutes. Residents and visitors are advised to employ sun protection strategies, especially during the high-risk months of March through October, to safeguard against harmful UV exposure.
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 |
Changba | 6 | 7 | 9 | 12 | 12 | 12 | 13 | 12 | 10 | 10 | 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 |