Last updated: August 1, 2025
Understanding the UV Index in Changyi, China, is crucial for safeguarding your skin and overall health. With the risk of sunburn and long-term skin damage heightened by varying UV levels, being informed about daily exposure is essential. Changyi's humid subtropical climate (Cfa) brings sweltering summers, where UV levels peak around midday, reaching a maximum index of 12—indicating very high risk. By knowing the UV Index, you can take proactive measures to protect yourself during those sun-soaked hours, ensuring a safer, healthier experience under the sun.
As the sun rises, the UV Index starts off low at 1 by 07:00. However, by 09:00, it climbs rapidly to 6, signaling a shift towards increasing intensity. The peak occurs at 12:00, where the UV Index reaches a significant 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values begin to decline, dropping to 9 by 14:00 and tapering off to 4 by 16:00. By the evening hours, the numbers dwindle back down to 1 by 18:00 and remain there until 19:00. Be mindful of the midday sun to protect your skin when the UV levels are at their highest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences a significant rise throughout the year, peaking during the summer months of June through August, when it reaches an extreme category with values of 11 to 12 and a quick burn time of just 10 minutes. Specifically, the high-risk months for UV exposure include March through September, where the UV Index frequently indicates very high to extreme levels, necessitating caution for both residents and visitors. It’s crucial to protect your skin during these months by wearing protective clothing, using sunscreen with a high SPF, and limiting sun exposure, especially between 10 AM and 4 PM when UV radiation is at its strongest. As the fall and winter months approach, the UV Index gradually decreases, with December presenting the lowest reading of 5, categorized as moderate, but vigilance remains important year-round.
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 |
Changyi | 6 | 7 | 9 | 10 | 11 | 11 | 12 | 12 | 10 | 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 |