Last updated: May 3, 2025
In Dacheng, China, being aware of the UV Index is essential for maintaining optimal skin health and preventing sunburn. Understanding UV levels can guide residents and visitors alike in making informed decisions about sun protection, especially during the peak hours when the UV index surges to a maximum of 10 around noon. The climate in Dacheng, categorized as Cwa, brings about a significant variation in UV exposure, making it crucial to monitor daily UV levels to enjoy the outdoors safely. With the right knowledge, you can enjoy the beautiful, sunny days while safeguarding your skin from harmful effects.
The UV Index throughout the day showcased a dynamic shift, peaking remarkably at 10 between 12:00 PM and 1:00 PM, indicating an intense level of sun exposure. Starting the day gently, with a low of 1 at 7:00 AM, the UV levels gradually rose, creeping toward 9 by 11:00 AM, before hitting a sky-high 10 at midday. This high UV reading persisted for an hour, encouraging sun safety measures such as seeking shade or applying sunscreen. As the afternoon wore on, the index dipped to 7 at 3:00 PM, eventually declining through the evening, settling back down to 1 by 7:00 PM. Overall, it's a vivid reminder of how the sun's intensity can vary dramatically, urging outdoor enthusiasts to stay vigilant during peak hours.
| 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 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking during the summer months. From January to March, the UV levels gradually rise from moderate to high, indicating an increased risk of sunburn with a shorter burn time of 25 minutes by the end of March. The high-risk months are April through August, where the UV Index often reaches very high to extreme levels, particularly in June with a peak of 11, resulting in an alarming burn time of only 10 minutes. As summer transitions to fall, UV levels decrease but remain notable until the end of October. Visitors and residents should take necessary precautions during these high-risk months, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize sun exposure and reduce the risk of skin damage. In the cooler months of November and December, the UV levels drop to moderate, allowing for a safer outdoor experience.
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 |
| Dacheng | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 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 |