UV Index in Changshan, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Changshan, China, where the subtropical climate (Cfa) brings both warm summers and high UV exposure. As UV levels can soar to a maximum of 11 during the peak hours of sunlight, being aware of these readings helps in preventing sunburn and maintaining long-term skin health. With outdoor activities being a common part of life in Changshan, knowing when to seek shade or apply sunscreen is essential for protecting yourself against harmful rays during those sunny days. Stay informed and stay safe under the sun!

Hourly UV Index in Changshan

The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Changshan

The UV Index exhibits significant seasonal fluctuations, with high-risk months occurring from March to September, when values reach 10 or higher, indicating very high to extreme exposure categories. Notably, May through August has the peak UV Index of 12, where a mere 10 minutes of exposure can lead to skin damage. In contrast, the UV Index drops to 6 in January, February, and November, and even 5 in December, marking safer months for sun exposure. Visitors and residents are strongly advised to take precautions during high-risk months, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours to minimize the risk of sunburn and long-term skin damage. Always be mindful of your burn time, especially when the UV Index is highest.

Monthly Maximum UV Index for Changshan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Changshan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Changshan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Changshan UV Index with Other China Cities

The table above highlights how UV exposure in Changshan compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Changshan's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Changshan	6	7	10	10	11	12	12	12	11	8	6	5
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