Last updated: July 2, 2025
In Houtou, China, awareness of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburn and reducing long-term skin damage, especially in a region characterized by a Dwb climate, where sunny days are common and UV exposure can be intense. With peak UV Index values soaring to 9 during midday, it's crucial for residents and visitors alike to stay informed about daily UV fluctuations, ensuring safe enjoyment of the outdoors while protecting against the harmful effects of the sun.
The UV Index displays a dynamic trajectory throughout the day, peaking at 9 between 11:00 AM and 12:00 PM, indicating a significant risk of harm from unprotected sun exposure. The early morning hours start relatively mild, with a maximum of 3 at 07:00 AM, gradually rising to 6 by 09:00 AM. When the sun reaches its zenith, the index escalates sharply, marking 8 at 10:00 AM. As the afternoon progresses, it remains high, witnessing a minor dip to 6 by 02:00 PM. By the late afternoon and evening hours, the UV Index declines dramatically, settling at 1 by 05:00 PM and remaining low until 07:00 PM. It's essential to stay protected during the peak hours to enjoy the sun safely!
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 | 8 | very high | 15 min |
11:00 | 9 | very high | 15 min |
12:00 | 9 | 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 |
Throughout the year, UV levels vary significantly, with the most intense exposure occurring during the summer months. May through August are particularly high-risk months, showcasing UV Index values reaching up to 9 in July. During this period, the burn time decreases to just 15 minutes, indicating a need for heightened sun safety precautions. In contrast, the winter months of January, November, and December present low UV levels (UV Index 1-2), allowing for longer exposure times of up to 45 minutes without immediate risk of sunburn. Visitors and residents should take extra care from April to August by wearing protective clothing, using sunscreen, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Houtou | 2 | 3 | 4 | 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 |