Last updated: August 1, 2025
In Biru, China, understanding the UV Index is crucial for protecting your skin and overall health. As a region within the ET climate zone, Biru experiences varying levels of UV exposure throughout the day, with peak values reaching a staggering 17 around midday. This makes it essential for residents and visitors alike to be aware of UV levels, as even short sun exposure can lead to painful sunburns and long-term skin damage. By staying informed about the UV Index, you can take proactive steps to safeguard your skin, ensuring a healthier and more enjoyable time under the sun.
The UV Index throughout the day shows a dramatic rise in intensity, reaching its peak at 1 PM with a staggering 17. Starting from a modest 1 at 7 AM and 8 AM, the index gradually escalates until it hits 11 by 11 AM, signaling the arrival of intense sunlight. By noon, the UV Index soars to 15, warning of the need for sun protection. The afternoon maintains this high intensity, holding at 17 until 3 PM, before beginning to decline. By 5 PM, it drops to 8, and as the sun sets, the index gradually falls to a safer 2 at 7 PM. It's vital to stay vigilant during those peak hours to avoid harmful exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 16 | extreme | 10 min |
| 15:00 | 14 | extreme | 10 min |
| 16:00 | 11 | extreme | 10 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits significant seasonal variations, with the highest levels occurring between March and October, marking these months as high-risk periods for sun exposure. Notably, May stands out with a peak UV Index of 20 (extreme), necessitating protection within just 10 minutes of exposure. The trend remains consistent through June and July, where UV levels remain extremely high, while August and September show slightly lower yet still critical values. January and February, although categorized as very high, have a slightly higher burn time of 15 minutes, making them less perilous but still requiring caution. As the year transitions into November and December, UV levels decrease, though the potential for sunburn remains significant, especially in November. Residents and visitors are strongly advised to take preventive measures such as applying sunscreen, wearing protective clothing, and seeking shade during peak UV hours to minimize the risk of sun damage throughout these high-risk months.
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 |
| 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 |
| Biru | 8 | 10 | 15 | 17 | 20 | 18 | 17 | 16 | 15 | 13 | 10 | 7 |