Last updated: May 3, 2025
Understanding the UV Index in Hengtanggang, China is crucial for everyone looking to protect their skin and overall health from the sun's harmful rays. With UV levels peaking at a staggering 10 around midday, residents and visitors alike should be mindful of sunburn risks and long-term skin damage. Located in a Cfa climate zone, Hengtanggang experiences warm, humid summers that enhance UV exposure, particularly during peak hours from 10 AM to 2 PM. Staying informed about the UV Index can help you take proactive steps to enjoy the sun safely while safeguarding your skin’s health.
Starting off the day with a low UV Index of 1 at 7:00 AM, the sun gradually rises in intensity. By 8:00 AM, it hits a moderate 3, and by 9:00 AM, it ramps up to a noticeable 5. As the clock strikes 10:00 AM, the UV Index reaches a high of 8, signaling the sun's growing power. The peak occurs at 12:00 PM, where it soars to an impressive 10, indicating that sun protection is crucial during these hours. After this zenith, the index begins its descent, dropping to 9 at 1:00 PM and then tapering to 8 by 2:00 PM. As the afternoon progresses, the levels further decline, resting at 5 by 3:00 PM, with a relaxed 3 at 4:00 PM. Finally, the UV Index gently wanes to 1 by 6:00 PM, signaling the day’s end, where caution is no longer a concern.
| 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal changes in UV exposure reveal significant fluctuations throughout the year. The highest risk months occur from June to August, where the UV Index reaches a peak of 11, indicating extreme exposure and a burn time of just 10 minutes. Spring ushers in rising UV levels, with March to May classified as very high risk months. Conversely, winter months like December and January present lower risk, with UV levels categorized as moderate or high. Visitors and residents are strongly advised to take necessary precautions during the high-risk months by wearing protective clothing, using sunscreen with high SPF, and seeking shade during peak sunlight hours to minimize the risk of UV-related skin damage.
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 |
| Hengtanggang | 5 | 6 | 8 | 9 | 10 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |
| 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 |