Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Yimamu, China, where sunny days can lead to significant sunburn risks and long-term skin health issues. With the region's BWk climate, characterized by dry and sunny conditions, daily UV levels can rise sharply, especially around midday when they peak at a hazardous 10. Being aware of these UV levels not only helps in preventing immediate skin damage but also contributes to overall skin health by encouraging users to take necessary precautions. Stay informed and protect yourself from the sun's effects as you enjoy all that Yimamu has to offer!
As the day unfolds, the UV Index reveals a dynamic pattern that encourages cautious sun exposure. Starting gently at 1 at 07:00, the intensity slowly climbs to a moderate 2 by 08:00. However, the real ascent begins at 09:00, when the index reaches 4. The peak occurs between 12:00 and 13:00, with an impressive 10, indicating a high risk of harm from unprotected sun exposure. Following this peak, the UV levels gradually decline, dipping to 9 at 14:00 and then decreasing further to 3 by 17:00. As evening approaches, the UV Index wanes to 1 by 18:00 and 19:00, emphasizing the importance of smart sun safety, especially during the midday hours when the sun's rays are most potent.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal variation in UV Index reveals significant changes in sun exposure risks throughout the year. January starts with a low UV Index of 2, allowing for up to 45 minutes of safe sun exposure. This gradually increases, reaching a moderate level of 4 in February. By March, the risk escalates to high (UV Index 7), and then sharply climbs to very high levels of 9 in April and 11 in May, marking the peak months for UV exposure. The summer months of June, July, and August maintain a high UV Index of 10, before tapering off to 8 in September. As the year concludes, October and November present a moderate UV Index of 5 and 3 respectively, while December returns to a low level of 2. Visitors and residents are advised to take appropriate precautions, particularly from March to September, when the risk of skin damage is highest; wearing sunscreen, protective clothing, and seeking shade are essential during these high-risk months.
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 |
| Yimamu | 2 | 4 | 7 | 9 | 11 | 10 | 10 | 10 | 8 | 5 | 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 |