Last updated: August 1, 2025
In Hengshan, China, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels empowers residents and visitors to make informed decisions about sun exposure, particularly during the peak hours of sunlight. With Hengshan's Cfa climate, characterized by warm summers and significant sun exposure, the risk of harmful UV radiation can be high, especially between 10:00 AM and 1:00 PM when the UV Index reaches its maximum levels of 9 to 12. Staying informed about the UV Index not only helps safeguard skin but also enhances overall well-being in this beautiful region.
As the sun rises, the UV Index begins at a mild 2 at 07:00, gradually climbing to a moderate 4 by 08:00. The intensity peaks at 12 between 12:00 and 13:00, signifying a high risk of harm from unprotected sun exposure. After the noon hour, the index starts to decrease, slipping back to 9 by 14:00, then further declining to 6 at 15:00. As the day winds down, the UV Index tapers off to 4 at 16:00, 2 at 17:00, and eventually drops to a safe 0 by 19:00. For outdoor enthusiasts, it’s crucial to stay protected during the peak hours, especially from 11:00 to 13:00 when the sun’s rays are most powerful.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, peaking from April to August. During these months, the UV Index reaches extreme levels, particularly in July and August with a peak UV Index of 13, where the recommended burn time is reduced to just 10 minutes. The summer months of May through September are considered high-risk, necessitating vigilant sun protection measures. In contrast, from October to December, the UV Index decreases, offering safer exposure levels, though caution is still advised in November and December with indices of 7 and 5, respectively. Residents and visitors should pick the right times for outdoor activities, particularly avoiding peak sun hours and utilizing sunscreen, protective clothing, and seeking shade during high-risk months for optimal skin safety.
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 |
Hengshan | 6 | 8 | 10 | 11 | 12 | 12 | 12 | 13 | 11 | 8 | 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 |