Last updated: June 2, 2025
Understanding the UV Index is vital for residents and visitors of Longhua, China, as it serves as a crucial indicator of ultraviolet radiation levels and their potential impact on skin health. With the region's temperate climate characterized by distinct seasons, Longhua experiences varying UV exposure throughout the year, making awareness of UV levels essential for sunburn prevention and reducing the risk of long-term skin damage. During peak hours, especially around midday, the UV Index can soar to a high of 9, highlighting the importance of taking protective measures to safeguard your skin. Stay informed and enjoy the sun safely in beautiful Longhua!
At dawn, the UV Index starts at a mild 2 at 07:00, gradually rising to a moderate 3 by 08:00. As the morning progresses, the intensity increases; by 09:00, it reaches 5, and peaks at a robust 9 from 11:00 to 13:00—making this the most critical time for sun exposure. Subsequently, the index begins to decline, dropping to 7 at 14:00 and tapering off to 5 by 15:00. As the afternoon transitions into evening, the UV Index steadily decreases to 3 at 16:00 and settles back to 2 by 17:00, eventually winding down to a low 1 by 18:00 and 19:00. This data serves as a reminder to stay sun-safe during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 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 |
Throughout the year, the UV Index experiences significant fluctuations, affecting sun exposure risk for both visitors and residents. From January to February, the UV Index starts low, but begins to rise sharply in March, reaching a high of 10 in July and August, making these months particularly critical for sun protection. April and May maintain a very high index, emphasizing the importance of sun safety during these spring months. High-risk months, notably from March to September, necessitate wearing protective clothing, using sunscreen, and seeking shade during peak hours, especially between 11 AM and 4 PM. As we transition into October, UV levels decrease, but caution is still advised until they return to low levels in December. Overall, it’s essential for everyone to remain vigilant about UV exposure, particularly during the summer peak season.
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 |
| Longhua | 2 | 4 | 6 | 8 | 9 | 9 | 10 | 10 | 8 | 6 | 3 | 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 |
| 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 |