Last updated: May 3, 2025
Being aware of the UV Index is crucial for residents and visitors in Dachuan, China, where the climate can elevate risks associated with sun exposure. Understanding the UV levels not only helps prevent painful sunburns but also plays a vital role in safeguarding your long-term skin health. With Dachuan's Dwb climate often delivering intense sunlight, particularly during the midday hours when the UV Index can soar to 8, it is essential to stay informed and take protective measures. Whether you're enjoying outdoor activities or simply spending time in the sun, knowing the UV Index can help you enjoy the beautiful weather while keeping your skin safe.
During the day, the UV Index experiences a noticeable rise, peaking at 8 between 10:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early morning sees a mild start with a value of 2 at 07:00, gradually climbing to 6 by 09:00. As the sun reaches its zenith, the index plateaus at 8, where it's crucial to take sun safety precautions. After noon, the levels begin to decline, descending to 5 at 02:00 PM and continuing to fall to a much lower 1 by 05:00 PM. By 07:00 PM, the UV Index plummets to 0, signifying a safe time to venture outdoors without fear of UV damage. Overall, the data illustrates a typical day's sun exposure risks, highlighting the importance of sun protection during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, so do the UV Index levels, significantly impacting sun exposure risk. January and December present the lowest UV Index (2), classified as low risk, allowing for relatively safe outdoor activities with a burn time of 45 minutes. However, from February onward, the UV Index rises, reaching moderate risk in February (UV Index 3, 30 min burn time) before escalating to high risk in March (UV Index 6, 25 min burn time). The peak months for UV exposure are June and July, both with a UV Index of 10, categorizing them as very high risk with a burn time of just 15 minutes. Visitors and residents should take extra precautions during these summer months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. As fall approaches, the UV Index tapers off, but September still maintains a high level of risk (UV Index 8), while October and November return to moderate risks (UV Index 3, 30 min burn time). Awareness of these seasonal UV changes is crucial for protecting skin health.
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 |
| Dachuan | 2 | 3 | 6 | 8 | 8 | 9 | 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 |