Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Chelu, China, where the combination of a Dwb climate and varying sun exposure can pose significant risks to skin health. By becoming aware of UV levels throughout the day, you can take proactive steps to prevent sunburn and reduce the long-term effects of UV radiation. With peaks reaching 8 during midday, Chelu’s sun can be intense, making it essential to safeguard your skin during high UV index hours. Stay informed and protect yourself to enjoy the beauty of Chelu's outdoor activities safely!
The UV Index throughout the day presents a fascinating fluctuation, starting at a gentle 2 by 7:00 AM. As the sun ascends, it reaches 3 by 8:00 AM and progressively escalates to 4 at 9:00 AM. The intensity peaks magnificently at 8 during the 11:00 AM to 1:00 PM window, signaling the need for sun protection. After this zenith, the UV Index begins a graceful decline, descending to 7 at 2:00 PM, and tapering off to 6 by 3:00 PM, before dropping further to 4 at 4:00 PM. The evening sees the UV Index dwindling to 2 by 5:00 PM, and soothingly settles at 1 from 6:00 PM onwards. It's a clear reminder of the sun’s potent power during peak hours and the importance of staying shielded!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 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 |
Throughout the year, UV exposure varies significantly, with notable increases during the spring and summer months. From January to February, the UV Index remains low (1-2), allowing for safer outdoor activities with a burn time of 45 minutes. As we progress into March and April, the levels rise to a moderate range (4-5), reducing burn time to 30 minutes. The high-risk months of May through August see a dramatic increase, with UV Index values reaching 7-8 (high to very high), which significantly shortens burn time to 15-25 minutes. Finally, from September to October, the risk decreases as the UV Index drops to moderate levels (4-6), returning to safer exposure times. Visitors and residents are advised to take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chelu | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| 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 |