Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Guotan, China, where the sun's rays can be particularly intense. With a climate classified as Cwb, residents experience distinct seasonal changes, but high UV exposure is common throughout the year, especially during midday hours. By tracking the UV levels, you can take proactive steps to prevent sunburn and protect your skin health. With peak UV Index values soaring to 12 around noon, it's essential to stay informed about the risks and safeguard yourself and your loved ones against harmful UV radiation. Prioritizing UV awareness not only enhances your outdoor enjoyment but also plays a vital role in maintaining long-term skin health.
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 |
Guotan | 4 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 5 | 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 |