Last updated: August 1, 2025
Understanding the UV Index in Tanghekou, China, is crucial for protecting your skin and overall health. High UV levels, particularly during the midday hours when the index peaks at 10, can lead to sunburn and increase the risk of skin conditions. Given Tanghekou's Dwa climate characterized by hot summers and cold winters, residents and visitors must stay vigilant about UV exposure, especially during the summer months. By being aware of the UV Index, you can take proactive steps to enjoy the sun safely, ensuring your outdoor activities remain enjoyable and free from harmful effects.
From 07:00 to 19:00, the UV Index exhibited a dynamic pattern, peaking at 10 around 11:00 to 13:00, indicating a high risk of harm from unprotected sun exposure during these hours. The morning began with a mild index of 2 at 07:00, gradually rising to 3 by 08:00. A noticeable surge occurred between 09:00 and 10:00, climbing to 6 and then reaching a striking 8. As the sun reached its zenith, the UV Index sustained its intensity, maintaining 10 for three consecutive hours. By the late afternoon, the index began to taper off, dropping to 6 at 15:00, further declining to 2 by 17:00 and finishing the day with a gentle 1 by 19:00. It's a stark reminder of the sun’s power, urging everyone to take precautions during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 10 | 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 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, significant seasonal changes in the UV Index are observed, indicating varying levels of sun exposure risk. January and December show low UV levels (Index 2), where the burn time is approximately 45 minutes, making it safer for outdoor activities. In contrast, from April to August, the UV Index peaks dramatically, reaching 10 at times, classified as very high, with a burn time of just 15 minutes, underscoring the high-risk nature of sun exposure during these months. May, July, and August emerge as the most critical months for UV exposure, demanding caution. By September, the index decreases slightly to 8, but still remains in the very high category. Residents and visitors are advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade especially during peak months, to reduce the risk of UV-related health issues.
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 |
| Tanghekou | 2 | 4 | 5 | 8 | 10 | 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 |