Last updated: August 1, 2025
In Renqiu, China, understanding the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. As a region characterized by a Cwa climate, where sunny days are common, awareness of UV levels can be the difference between enjoying the outdoors and suffering from painful sunburn or long-term skin damage. With peak UV Index values reaching 9 during midday, it’s essential for residents and visitors alike to stay informed about daily UV exposure risks. By grasping the implications of these levels, you can take proactive steps towards protecting your skin and enhancing your overall health while basking in the vibrant sun of Renqiu.
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 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | 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, UV Index levels vary significantly, impacting exposure recommendations for both visitors and residents. From January to February, UV levels are relatively low to moderate, allowing for 45 minutes of safe sun exposure in January, dropping to 30 minutes in February. However, as spring approaches, March brings a notable increase to a high UV Index of 6, with a burn time of just 25 minutes. The summer months, particularly from April to August, present the highest risk with very high indices of 8 to 9, requiring vigilant sun protection as burn times decrease dramatically to just 15 minutes. In September and October, the UV Index decreases to a high level again, with burn times extending to 25 minutes. As winter arrives, November and December see lower levels, returning to a 30-minute burn time in November and 45 minutes by December. In summary, it's crucial for everyone to be particularly cautious from April to August, during the high-risk months, using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Renqiu | 2 | 4 | 6 | 8 | 9 | 9 | 9 | 9 | 7 | 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 |