Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Shijiayuan, China, where the sun's rays can be particularly intense. By being aware of UV levels, you can take proactive steps to prevent sunburn and protect your skin health, especially during peak hours when UV exposure can reach a maximum of 12 around noon. Shijiayuan's humid subtropical climate (Cwa) brings both sunny days and higher UV risks, making it essential to stay informed and take precautions when enjoying outdoor activities. Whether you're strolling through the vibrant streets or relaxing in the park, knowing the UV Index can help you enjoy the sunshine safely.
From dawn until dusk, the UV Index showcases a dynamic shift throughout the day. At 7:00 AM, it starts at a mild level of 1, gradually inching higher with the sun's ascent. By 10:00 AM, the index reaches 7, indicating a noteworthy intensity. The peak is experienced at 12:00 PM and 1:00 PM, where it soars to a powerful 12, marking the need for protective measures. As afternoon transitions to evening, it gracefully descends—11 at 2:00 PM, 8 at 3:00 PM, and dwindling to 1 by 7:00 PM. This rollercoaster of UV exposure underscores the importance of sun safety during the most intense 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 | 12 | 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 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal changes, with high-risk months primarily occurring from March to August. During this period, the UV index peaks at 11 to 12, categorized as extreme, with very short burn times of only 10 minutes. Specifically, May through July represent the highest risk, emphasizing the need for increased sun safety measures. Visitors and residents are advised to wear protective clothing, use broad-spectrum sunscreen, and seek shade during peak sun hours to mitigate the risk of UV exposure. As the seasons shift into fall and winter, the UV index decreases to moderate levels in November and December, allowing for more moderate sun exposure with burn times extending to 30 minutes.
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 |
Shijiayuan | 4 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 5 | 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 |