Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Nianyushan, China, where the climate is characterized as Cfa, bringing warm summers and occasional high levels of sunlight. Being aware of UV levels can significantly aid in sunburn prevention and maintaining skin health, especially during peak hours when the UV Index soars to 11, indicating extreme risk. With the typical exposure around midday being particularly intense, it's essential to take precautions to protect your skin. Whether you’re enjoying outdoor activities or simply going about your day, understanding the UV Index in Nianyushan is vital for safe sun habits and long-term health.
The UV Index today showcases a dynamic rise and fall throughout the hours, peaking at 11 from 12:00 PM to 1:00 PM. Starting from a gentle 2 at 7:00 AM, it climbs steadily, reaching 10 by 11:00 AM. As the sun approaches its zenith, the index hits its maximum of 11, indicating a high risk of harm from unprotected sun exposure. After this peak, the index begins its descent, tapering down to 6 at 3:00 PM before declining further to 2 by 5:00 PM. As evening sets in, it settles at a mild 1 from 6:00 PM onward, reminding us to take precautions when basking in the midday sun but allowing for safer outdoor activities as daylight fades.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 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 | 6 | 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 |
The UV Index experiences a significant rise throughout the year, peaking during the summer months of June through August, when it reaches an extreme category with values of 11 to 12 and a quick burn time of just 10 minutes. Specifically, the high-risk months for UV exposure include March through September, where the UV Index frequently indicates very high to extreme levels, necessitating caution for both residents and visitors. It’s crucial to protect your skin during these months by wearing protective clothing, using sunscreen with a high SPF, and limiting sun exposure, especially between 10 AM and 4 PM when UV radiation is at its strongest. As the fall and winter months approach, the UV Index gradually decreases, with December presenting the lowest reading of 5, categorized as moderate, but vigilance remains important year-round.
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 |
| Nianyushan | 6 | 7 | 9 | 10 | 11 | 11 | 12 | 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 |