Last updated: July 2, 2025
Understanding the UV Index in Chumi, China is crucial for safeguarding your skin health and preventing sunburn. With maximum UV levels soaring to 13 during midday, being aware of the intensity of ultraviolet rays can help you make informed decisions about sun protection. The region's temperate climate (Cfa) brings both sunny days and inherent risks, making it essential to monitor UV exposure throughout the day. By learning about the UV Index, residents and visitors alike can enjoy the sun safely while minimizing the risk of long-term skin damage.
The UV Index throughout the day showcases a dynamic rhythm of sun exposure. Starting the morning with a mild 1 at 7:00 AM, it steadily climbs as the sun rises higher, reaching 2 by 8:00 AM. A noticeable surge occurs by 9:00 AM, peaking at 10:00 AM with a robust 7. The intensity escalates to its maximum of 13 at both 12:00 PM and 1:00 PM, emphasizing the need for sun protection during these hours. As the afternoon progresses, the index begins to taper off, descending to 3 by 5:00 PM and finally winding down to a gentle 1 by 7:00 PM. This pattern highlights the crucial times to take precautions against UV exposure, making it key to enjoy the sun safely.
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 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 12 | 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 |
Throughout the year, UV exposure fluctuates significantly, peaking during the summer months. January begins with a UV Index of 6 (high), and this rises rapidly to 8 in February, reaching 9 in March. The most critical period occurs from April to September, where the UV Index hits extreme levels of 12 to 13. Notably, May through August are high-risk months, where a burn can occur in just 10 minutes of exposure. October sees a gradual decline to 10 (very high), while November and December are safer, with indices of 7 (high) and 5 (moderate) respectively, allowing longer burn times. Visitors and residents should take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday when UV exposure is most intense.
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 |
Chumi | 6 | 8 | 9 | 12 | 13 | 13 | 13 | 13 | 11 | 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 |