Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Hengyang, China, as it plays a crucial role in protecting your skin from harmful UV radiation. With a climate categorized as Cfa, Hengyang experiences significant UV exposure, especially during the midday hours when the UV index can peak at an alarming 13. Awareness of UV levels helps prevent sunburn and promotes long-term skin health, ensuring you can enjoy the beautiful sunny days without compromising your well-being. Be informed and stay safe by checking local UV Index updates to better manage your sun exposure and protect your skin from the risks associated with high UV levels.
Throughout the day, the UV Index experiences a dramatic rise, reaching its peak at 12:00 PM with a staggering value of 13. Early morning brings a gentle start, with values at 1 by 07:00 AM, gradually climbing to 3 by 08:00 AM. The intensity rises sharply as the sun climbs higher, hitting 11 at 11:00 AM and reaching the critical 13 at noon, signaling the need for sun protection. As the afternoon progresses, the index begins to taper off, dropping to 10 at 2:00 PM and winding down to 5 by 4:00 PM. By evening, the UV Index drops back to a minimal 1 by 7:00 PM, wrapping up a day of fluctuating sun exposure. Stay vigilant and protect your skin during those peak hours!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | 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 fluctuates significantly, with high-risk months typically occurring from March to August. During this period, particularly in May, June, and July, the UV Index reaches extreme levels of 12 and 13, suggesting a burn time as short as 10 minutes without protection. March and April also present high risks, with indices of 9 and 10, corresponding to very high exposures and burn times of only 15 minutes. By contrast, the winter months, particularly January and February, have a UV Index of 6 and 7, still categorized as high but allowing for longer burn times of 25 minutes. To ensure safety, residents and visitors should take protective measures, such as wearing sunscreen, seeking shade, and donning protective clothing, especially during the most dangerous months of May through August.
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 |
| Hengyang | 6 | 7 | 9 | 10 | 12 | 12 | 13 | 12 | 10 | 9 | 7 | 5 |
| 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 |