Last updated: September 1, 2025
In Koujiahe, China, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you anticipate sun exposure, preventing painful sunburns and long-term skin damage. With a Cwa climate that features warm summers, Koujiahe experiences significant UV radiation, especially during peak hours. Notably, the UV Index can reach a striking 12 around noon, highlighting the importance of sun safety practices. By being aware of the UV Index, residents can enjoy outdoor activities while safeguarding their skin against harmful rays.
The UV Index reaches its peak intensity at 1 PM, soaring to an alarming 12. Early morning starts off gently, with indices of 1 at 7 AM and gradually rising to 2 by 8 AM. By 9 AM, the index jumps to 4, hinting at more intense sun exposure to come. As the day progresses, it escalates rapidly, hitting 7 by 10 AM and 9 at 11 AM. The sun is at its zenith at noon, with a robust 11. After this peak, a slight decline begins, but caution is still advised as the values remain significant, dropping to 8 at 3 PM and tapering off to 3 by 5 PM. The UV risk diminishes further into the evening, returning to a calmer 1 by 7 PM. Stay protected during those midday hours to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, peaking in the summer months. High-risk months for UV exposure are typically from March to August, where the index reaches levels categorized as very high to extreme. Particularly, May to July registers a consistent UV Index of 12, indicating extreme risk, with a burn time of just 10 minutes. Residents and visitors are strongly advised to take protective measures during these months, which include seeking shade, wearing sunscreen with a high SPF, and donning protective clothing and sunglasses. In contrast, the winter months of November and December present lower UV risks, with indices of 5 and 3, respectively, allowing for relatively safer outdoor activities without as much concern for sunburn. Always remain aware of the UV Index and adjust outdoor plans accordingly to prioritize skin safety.
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 |
| Koujiahe | 4 | 6 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 8 | 5 | 3 |
| 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 |