Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Cigou, China, where the climate can lead to elevated sun exposure risks. With UV levels peaking at a staggering 11 during midday hours, it's crucial to comprehend the impact of ultraviolet radiation on your health. Awareness of these levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. In Cigou's humid subtropical climate, knowing when to seek shade is key to enjoying the outdoors safely while minimizing exposure to harmful rays. Stay informed and protect your skin for a healthier life in the sun!
The UV Index begins the day at a gentle 1 at 7:00 AM, ideal for early risers enjoying the outdoors. As the sun climbs, the index steadily rises, reaching 3 by 8:00 AM and hitting 5 at 9:00 AM. It's 10:00 AM when things heat up, peaking at a striking 11 by noon, making it crucial to take precautions. The UV Index holds steady at this maximum of 11 from 1:00 PM to 2:00 PM, signaling extreme exposure levels. Following this hour, conditions begin to cool down with a decline to 9 by 2:00 PM and tapering to 4 by 4:00 PM. As the day winds down, the index drops sharply to 1 by 6:00 PM, providing a gentle close to the day's UV exposure. Adapting outdoor activities in line with these UV fluctuations is essential for skin health!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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, the UV Index exhibits significant seasonal variations, with high-risk months typically occurring from March to September. The UV Index begins to rise in March, reaching a peak of 11 during the extreme risk months of July and August, where the burn time is reduced to just 10 minutes. As the seasons shift into autumn, the index gradually decreases, dropping to a moderate level of 5 in November and further to 3 in December. Residents and visitors should take precautions when the UV Index is high or extreme by limiting sun exposure, wearing protective clothing, and applying sunscreen to reduce the risk of skin damage. Advice is particularly crucial during the summer months, when the potential for harm is at its highest.
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 |
| Cigou | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 11 | 9 | 8 | 5 | 3 |
| 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 |