Last updated: July 2, 2025
In Xiangtan, China, understanding the UV Index is essential for protecting your skin and promoting long-term health. The UV Index serves as a crucial indicator of solar radiation levels, helping residents gauge daily sun exposure risks and take necessary precautions against sunburn and skin damage. With Xiangtan's Cfa climate—characterized by hot summers and high humidity—peak UV levels can reach as high as 13 around noon, emphasizing the need for awareness and sun safety practices. By staying informed about UV levels, you can enjoy the outdoors while safeguarding your skin from harmful effects.
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 exhibits significant seasonal variation, with the highest values occurring from March to August. During these months, particularly in May and July, the UV Index peaks at 11 and 13 respectively, categorizing them as extreme exposure levels, where only 10 minutes of sun can lead to skin damage. High-risk months include March to September, where the index frequently rises to very high (9-10) or extreme (11-13) levels, indicating a strong need for protective measures. Visitors and residents are advised to take precautions during these peak months, such as wearing sunscreen, wide-brimmed hats, and UV-blocking sunglasses, and to limit sun exposure during the peak hours from 10 AM to 4 PM. In contrast, November to December sees a reduction in UV levels, providing a respite with lower exposure risks.
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 |
| Xiangtan | 6 | 7 | 9 | 10 | 11 | 11 | 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 |