Last updated: July 2, 2025
In Changhao, China, understanding the UV Index is crucial for protecting your skin and maintaining overall health. The UV Index serves as an essential gauge for the intensity of ultraviolet radiation, helping residents and visitors alike to stay informed about potential risks of sunburn and other skin-related issues. With its Aw climate characterized by warm temperatures, Changhao experiences significant UV exposure, especially during midday hours when the index peaks at a striking 14. By being aware of these levels, you can take proactive steps to enjoy the sun safely, ensuring your skin stays healthy and protected throughout the year.
As the sun rises, the UV Index begins its gradual ascent, starting at a mild 1 at 07:00 and reaching 2 by 08:00. By 09:00, the index jumps to 5, signaling that it's time to protect your skin. The peak arrives at 12:00 with an impressive 14, maintaining intensity until 13:00 before gradually tapering off. At 14:00, it shifts to 13, then declines to 9 by 15:00. As the afternoon turns to evening, the numbers fall sharply, with the index dropping to 3 at 17:00 and returning to a safe 1 by 18:00 and 19:00. This pattern emphasizes the importance of sun safety during the midday hours when UV radiation is at its highest.
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 | 8 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal changes, with the highest levels occurring from February to October, characterized by an extreme exposure category. March, April, July, and August top the chart at a UV Index of 14, which corresponds to a burn time of just 10 minutes. During this period, residents and visitors should be exceptionally cautious, as these months pose the highest risk for sunburn and skin damage. As we move into the late fall and winter months, particularly November and December, the UV Index decreases to 10 and 8, respectively, still categorized as very high, though with longer burn times of 15 minutes. It is crucial for everyone to wear appropriate sun protection, including sunscreen, hats, and protective clothing, especially during the high-risk months when UV exposure is at its peak.
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 |
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 |
Changhao | 9 | 12 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 8 |