Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Gudong, China, where the region's Cwb climate presents unique sun exposure risks. Understanding UV levels is essential not only for preventing painful sunburns but also for safeguarding long-term skin health. Throughout the day, UV levels can soar; for instance, from 10 AM to 2 PM, the UV Index peaks at an alarming 15, signaling an urgent need for protective measures. As Gudong enjoys bright sunshine, especially during midday, remaining informed about UV levels can empower you to take actionable steps in your outdoor activities, ensuring your time under the sun is both enjoyable and safe.
As the sun rises, the UV Index starts modestly at 1 at 07:00 and 08:00, perfect for early morning outings. However, by 09:00, it ramps up to 3, signaling the day's potential for sun exposure. The intensity escalates sharply, peaking at 15 between 13:00 and 14:00, making it crucial to seek shade and apply sunscreen during these hours. Following the midday intensity, there’s a noticeable decline, with the index falling to 5 by 17:00, then tapering off to 1 by 19:00. Plan your day wisely, and relish the sun's warmth while staying protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV radiation displays significant seasonal variation. January and December start the year with a UV Index of 7, categorized as high, necessitating a burn time of 25 minutes under direct sunlight. As the year progresses, February reaches a UV Index of 9 (very high) with a shorter burn time of 15 minutes, escalating dramatically from March to October where the UV Index hits its peak at 15 during the summer months. This period is classified as extreme, with a critical burn time of just 10 minutes. September and October begin to taper slightly but still remain in the extreme range, with October at 12. Finally, November reduces again to 9. For visitors and residents, it is crucial to be particularly vigilant between February and October, when UV levels are at their highest. Protective measures such as sunscreen, hats, and seeking shade should be prioritized during these high-risk months, especially between 11 AM and 4 PM when the sun’s rays are most intense.
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 |
| 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 |
| Gudong | 7 | 9 | 11 | 13 | 14 | 15 | 15 | 15 | 14 | 12 | 9 | 7 |