Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Daodian, China, where the climate typically falls within the Cfa zone, characterized by warm summers and mild winters. With UV levels peaking around midday, it’s essential to be aware of these fluctuations to protect your skin from harmful ultraviolet rays that can cause painful sunburns and long-term skin health issues. Armed with knowledge about the daily UV Index, you can make informed decisions about sun exposure and take necessary precautions during Daodian's sunniest hours, particularly when UV levels soar to a maximum of 10 around noon. This awareness not only helps in preventing immediate discomfort but also plays a vital role in maintaining skin health throughout the year.
The UV Index throughout the day reveals a fascinating journey of solar intensity. Starting with a gentle 1 at 07:00, the sun gradually strengthens, reaching 2 by 08:00. As the morning progresses, we hit a notable 5 at 09:00, leading into a vibrant peak at 12:00 where the UV Index soars to an impressive 10, lasting through 13:00. The intensity then starts to decline, sliding down to 8 at 14:00, followed by a gentle drop to 6 by 15:00. The late afternoon brings a cooling effect with values decreasing to 4 at 16:00, and winding down to 2 by 17:00. As evening approaches, the UV Index settles back to a mild 1 by 18:00, remaining consistent until 19:00, marking the end of a dynamic solar spectacle.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 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 | 10 | 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 |
As the year progresses, UV Index levels exhibit significant seasonal fluctuations, impacting the risk of overexposure to UV radiation. The highest risk months are from March to August, peaking in July with an extreme index of 12, where the burn time is reduced to just 10 minutes. Visitors and residents should take necessary precautions during this period, including wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure, particularly during peak hours. As we transition into September and October, the UV index remains at very high levels, though slightly reduced. In contrast, November and December experience lower UV levels, categorized as high and moderate, respectively, allowing for safer outdoor activities with slightly longer burn times. Awareness of these changes is crucial for maintaining skin health year-round.
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 |
| Daodian | 5 | 5 | 8 | 9 | 10 | 10 | 12 | 11 | 10 | 8 | 6 | 4 |
| 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 |