Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Jiukou, China. With a climate characterized by mild winters and hot, humid summers, this region experiences varying UV levels that can pose risks to skin health. Knowledge of these UV levels, particularly during peak hours when the index can rise to a damaging 11, is essential in preventing sunburn and long-term skin issues. By staying informed about the UV Index, you can better protect yourself while enjoying Jiukou's beautiful outdoor spaces, ensuring your time in the sun remains safe and enjoyable.
The UV Index for the day exhibits a pronounced peak around midday, starting from a gentle 1 at 07:00 and climbing steadily. By 09:00, it reaches a moderate 5, advancing to a more intense 7 by 10:00. The sun's strength continues to rise, hitting a maximum of 11 at 12:00, making it crucial to take sun protection measures. The intensity begins to wane after that, dropping to 10 at 13:00, then gradually easing to 9 at 14:00. By late afternoon, the levels decline further to 6 at 15:00, before settling at 4, 2, and finally returning to 1 by evening, illustrating the day's clear UV radiation cycle.
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 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 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 |
As the seasons change, the UV Index fluctuates significantly, impacting sun exposure and the potential for skin damage. High-risk months typically fall between March and August, where the UV Index reaches its peak—March and April show a very high index of 8 and 10, while June through August hit extreme levels of 11 and 12. During these months, the burn time is drastically reduced, ranging from just 10 to 15 minutes. Visitors and residents should take extra precautions during these times by wearing sunscreen, protective clothing, and sunglasses, and by seeking shade whenever possible. In contrast, the UV Index is at its lowest in December with a moderate level of 4. Overall, staying informed about UV levels can help to ensure safe outdoor experiences.
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 |
Jiukou | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 10 | 8 | 6 | 4 |
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 |