Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Changzhoudao, China, particularly given its Dwa climate, characterized by warm summers and cold winters. High UV levels can soar during the summer months, with peak readings reaching a remarkable 11 around noon. Awareness of UV exposure is crucial for preventing sunburn and protecting skin health, as even moderate levels can lead to long-term skin damage. By familiarizing yourself with the daily UV Index fluctuations—ranging from 2 in the early morning to 10 in the afternoon—you can take proactive measures to enjoy the sun safely and safeguard your skin.
The UV Index for the day showcases a vibrant rhythm of sunlight, peaking dramatically from 11:00 AM to 1:00 PM. Starting with a mild 2 at 7:00 AM, the index escalates swiftly, reaching a moderate 5 by 9:00 AM. As the sun climbs higher, 10:00 AM brings us to a robust 8, culminating at a striking 11 at noon—a clear admonition for sun protection! Although the index gradually declines in the afternoon, dipping to 6 by 3:00 PM and to a gentle 1 by 6:00 PM, it's crucial to heed the warnings during those peak hours. Remember to wear sunscreen and seek shade when the UV Index rises above 6!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | 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 | 9 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. High-risk months for UV exposure are primarily from April to August, with values reaching as high as 11 in July, classified as extreme. The burn time decreases notably during this period, dropping to just 10 minutes in July, which illustrates the urgent need for sun protection. In contrast, January and December exhibit the lowest UV levels (Index 2, low exposure category) with a more forgiving burn time of 45 minutes. Residents and visitors should remain vigilant in the higher UV months by wearing sunscreen, appropriate clothing, and seeking shade to mitigate the health risks associated with intense sun exposure.
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 |
Changzhoudao | 2 | 4 | 6 | 8 | 9 | 9 | 11 | 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 |