Last updated: July 2, 2025
Understanding the UV Index in Hudai, China, is essential for protecting your skin and maintaining overall health. The UV Index provides crucial information about the intensity of ultraviolet (UV) radiation, helping residents and visitors alike make informed choices to prevent sunburn and long-term skin damage. With a Cfa climate, Hudai experiences significant UV exposure, especially during peak hours when readings soar to 11 around noon. By staying informed and taking appropriate precautions based on the UV Index, you can enjoy the sun safely and keep your skin healthy year-round.
The UV Index for the day follows a dynamic trend, peaking during the midday hours. Starting at a modest 2 at 7:00 AM, the intensity gradually intensifies, reaching 4 by 8:00 AM. As the sun climbs higher, the index escalates significantly, hitting a striking 9 at 10:00 AM and reaching its zenith of 11 at 12:00 PM. After this peak, a gradual decline sets in, with the index dropping to 5 by 3:00 PM before tapering off to 1 by 5:00 PM. The day concludes with a UV Index of 0 by 7:00 PM, signaling a clear drop in potential UV exposure. It's a reminder to stay sun-smart, especially during the midday hours when the UV rays are at their strongest!
| 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 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 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 UV index levels, which can significantly affect sun safety for both visitors and residents. From January to March, UV exposure begins to intensify, with the index escalating from 5 to 8, indicating a shift from moderate to very high exposure. April through August are the highest-risk months, featuring UV indexes between 10 and 11, categorized as very high to extreme, with very short burn times of just 10 to 15 minutes. September sees a slight drop to a UV index of 10, maintaining very high exposure, while October and November lower the index to 6 and 7, categorized as high, allowing for improved but still cautious sun exposure. By December, the UV index falls to 4, marking a return to moderate levels. Visitors and residents should take extra precautions during the high-risk months, prioritizing sunscreen application, wearing protective clothing, and seeking shade during peak hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Hudai | 5 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 7 | 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 |