Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Dayong, China, where the climate falls within the Dwa zone, presenting unique sunlight challenges throughout the year. Awareness of UV levels not only aids in preventing painful sunburns but is also vital for maintaining long-term skin health as the readings can peak at a significant 9 around midday. With the sun’s intensity rising quickly during the warmer months, knowing when to seek shade or apply sunscreen can make all the difference in protecting your skin from harmful UV radiation. In Dayong, smart sun safety habits can help you enjoy the beautiful outdoors while minimizing risk—so stay informed and take care of your skin!
The UV Index for the day reveals a striking pattern of intensity, peaking at 9 around 11:00 AM, marking the sun's most powerful moment. As the day unfolds, the values gradually rise from a gentle 2 at 7:00 AM to an invigorating 8 by 10:00 AM. The sun beckons at its zenith, where the 8 remains steady between 12:00 PM and 1:00 PM before the numbers start to decline. By 2:00 PM, the UV Index begins its descent back to a more manageable 6, eventually tapering down to 1 as the sun sets. It's essential to stay protected during those peak hours when the UV Index is at its highest, ensuring a safe and enjoyable outdoor experience.
| 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 | 9 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
During the year, the UV Index exhibits notable seasonal variations, with high-risk months emerging from late spring through summer. May through August sees a significant increase in UV levels, peaking in June and July at a very high index of 9, where the recommended burn time is just 15 minutes. Conversely, the winter months of December and January present a low exposure risk with an index of 1 to 2 and burn times extending up to 45 minutes. Visitors and residents are advised to take extra precautions during the high and very high UV months, which include applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV rays are strongest. Stay informed and protect your skin to enjoy the outdoors safely!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dayong | 2 | 3 | 4 | 6 | 7 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 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 |