Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Hongdun, China, where the unique Dfb climate can lead to significant sun exposure risks. The UV levels here can soar to a maximum of 9 around noon, highlighting the need for vigilance to prevent sunburn and protect skin health. Being aware of these levels empowers you to enjoy the beautiful outdoors while safeguarding yourself from harmful effects of UV radiation, ensuring both your health and comfort under the sun.
As the sun rises, the UV Index begins its ascent, starting at a modest 2 at 7:00 AM. By 10:00 AM, it peaks at a striking 7, warming up to a maximum of 9 at 12:00 PM. Embrace the midday sun but be cautious as the intensity prompts greater sun protection. The index starts to decline after 1:00 PM, dropping to 5 by 3:00 PM, and continues to wane through the afternoon, reaching a gentle 1 by 6:00 PM. Be mindful of this daily cycle; enjoy the sunshine, but remember to care for your skin during those blazing midday hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 5 | moderate | 30 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Seasonal changes in the UV Index highlight significant variations in sun exposure throughout the year. From January to February, the UV Index remains low to moderate, allowing for safer outdoor activities with burn times of 45 minutes and 30 minutes, respectively. However, high-risk months emerge from March through August, with UV Index values peaking at 9 during May, June, and July—indicating very high exposure and a quick burn time of just 15 minutes. Visitors and residents should exercise caution during these months, wearing protective clothing and sunscreen, and seeking shade during peak sunlight hours. As the year progresses into September and October, UV levels begin to decrease, returning to moderate levels by November and December. It is advisable to remain vigilant about UV safety, particularly during the sunniest months.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hongdun | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
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 |