Last updated: July 2, 2025
In Ninghai, China, understanding the UV Index is essential for protecting your skin and overall health. With UV levels peaking during the midday hours—reaching a maximum of 12—awareness of these values can help you prevent sunburn and long-term skin damage. Given Ninghai's Cfa climate, characterized by warm, humid summers, the sun’s rays can be particularly intense, so knowing when to seek shade or apply sunscreen is crucial. Safeguarding your skin starts with understanding the UV Index, ensuring you enjoy the beautiful outdoors safely!
The UV Index provides a vital insight into sun exposure throughout the day, peaking during the late morning to early afternoon hours. At 07:00, it starts off low at 2, but by 08:00, it rises to 4, indicating increasing sun intensity. The real surge happens between 09:00 and 12:00, where it climbs dramatically to a maximum of 12 at 11:00 and 12:00. As the sun begins to dip after 13:00, the index gradually decreases to 11 at 1 PM and gently tapers off to 9 at 2 PM. By 3 PM, it continues to decline to 6, and by the evening, it reaches a minimal 1 at both 5 PM and 6 PM, finally falling to 0 by 7 PM. This hourly breakdown urges us to protect our skin during the peak hours, especially when the index hits its zenith.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, seasonal changes in the UV Index highlight significant variations in sun exposure risk. The highest risk months occur from March to September, where the UV Index peaks at 12 during the summer, categorizing these months as extreme risk with a burn time of just 10 minutes. In particular, April to August stand out as critical periods for sun safety. Residents and visitors are strongly advised to take precautions, such as wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak sun hours, especially in the high-risk months characterized by indices rated very high and extreme. As the year progresses, the risk decreases in November and December, with moderate exposure in winter months, allowing for longer safe sun exposure times. Always stay informed and prioritize skin protection, especially from March through September.
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 |
| Ninghai | 6 | 7 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 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 |