Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Jiuzhongjin, China, where the climate falls under the Cwa zone, bringing a mix of seasonal variations and significant sun exposure. Awareness of UV levels is essential for preventing sunburn and ensuring long-term skin health, especially during peak hours when the UV index can soar to as high as 12 around midday. As the sun climbs in the sky, so do the risks associated with unprotected exposure—peak hours fall between 10:00 AM and 2:00 PM, when UV radiation is most intense. Stay informed and protect your skin as you enjoy the beautiful sunny days in Jiuzhongjin!
The UV Index reveals a dynamic dance of sun intensity throughout the day, peaking dramatically at the highest levels between 12:00 PM and 1:00 PM. Starting the morning gentle with a UV Index of 1 at 7:00 AM, it quickly escalates as the sun rises, hitting 2 by 8:00 AM and surging to 11 by noon. The maximal exposure occurs at 1:00 PM with a striking 12, indicating a period of high sun intensity that calls for caution. As the afternoon progresses, the index gradually declines, reaching a comfortable 3 by 5:00 PM and settling back to 1 by 7:00 PM. This rhythmic pattern serves as a reminder to stay sun-safe during peak 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | 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 |
As the year progresses, seasonal UV changes reveal significant fluctuations in the UV Index that can affect both residents and visitors. The high-risk months for sun exposure are from March to October, with April and May peaking at an extreme UV Index of 12, resulting in a minimal burn time of just 10 minutes. Visitors and residents are advised to take precautionary measures, especially during these peak months, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours. In contrast, the winter months of January, November, and December have moderate UV levels (Index 4-5), allowing for safer outdoor activities with longer exposure tolerance. By staying informed of the UV Index, everyone can enjoy the outdoors while protecting their skin from harmful UV rays.
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 |
| Jiuzhongjin | 4 | 6 | 8 | 10 | 12 | 12 | 12 | 11 | 11 | 8 | 5 | 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 |