Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Hongshan, China, where sun exposure can significantly impact skin health. With peaks reaching a maximum of 7—especially at midday—it's vital for everyone to be aware of UV levels to prevent sunburn and protect against long-term skin damage. Hongshan's Dwc climate means that while the region enjoys distinct seasonal variations, the UV risks remain prominent throughout the year. Staying informed about the UV Index allows you to enjoy the sun safely while prioritizing your skin's health and well-being.
The UV Index shows a dynamic pattern throughout the day, beginning at a moderate 3 at 7:00 AM. As the sun climbs higher, the index rises steadily, peaking at a strong 7 between 10:00 AM and 12:00 PM, indicating that sun protection is essential during these hours. After reaching its zenith, the UV Index gradually declines, dropping to 5 by 2:00 PM and sliding further to 3 by 3:00 PM. As the day transitions, late afternoon and evening values fall dramatically, with the index reaching a minimal 1 by 5:00 PM and remaining low through 7:00 PM. This data underscores the critical need for sun safety measures during midday hours while allowing for more relaxed exposure later in the day.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 3 | moderate | 30 min |
08:00 | 4 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 7 | high | 25 min |
11:00 | 7 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 3 | 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 |
Throughout the year, the UV Index reflects significant seasonal changes that impact sun exposure and potential skin damage. The high-risk months are from April to August, where the UV Index peaks at 9 in July, indicating very high exposure risk with a burn time as low as 15 minutes. Visitors and residents are advised to take extra precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Meanwhile, the winter months of January and February see a drop in UV levels to 2 and 3, classified as low to moderate, allowing for more lenient sun exposure while still taking care to protect skin. As the UV Index generally decreases towards the end of the year, exposure caution can be relaxed, particularly in November and December when burn times extend back to 45 minutes.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hongshan | 2 | 3 | 5 | 6 | 7 | 8 | 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 |