UV Index in Chongdui, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Chongdui, China, where the unique ET climate often brings about heightened sun exposure risks. With UV levels reaching a staggering 20 during midday hours, being aware of these fluctuations is essential to prevent sunburns and protect skin health. As you enjoy the local outdoor activities, keeping an eye on the UV Index can help you make informed choices about sun protection, ensuring that your time under the sun remains safe and enjoyable.

Hourly UV Index in Chongdui

The UV Index throughout the day displays a striking increase, peaking at a whopping 20 between 2 PM and 3 PM. Starting from a low of 0 at 7 AM, the index gradually rises, hitting 9 by 11 AM, before surging past 10 to reach its zenith. As noon approaches, the intensity of the sun makes itself known, with readings soaring to 14 at 12 PM and 18 at 1 PM. The afternoon sun holds its ground, maintaining a robust 20 at both 2 PM and 3 PM, before slowly tapering off to 12 by 5 PM and dropping further to 3 by 7 PM. A day of significant UV exposure, particularly in the early afternoon, emphasizes the need for sun protection during those peak hours!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	8	very high	15 min
12:00	13	extreme	10 min
13:00	17	extreme	10 min
14:00	19	extreme	10 min
15:00	18	extreme	10 min
16:00	15	extreme	10 min
17:00	10	very high	15 min
18:00	6	high	25 min
19:00	3	moderate	30 min

Monthly UV Index Trends in Chongdui

The UV Index shows significant seasonal fluctuations, with the highest levels occurring from March to October. During this period, the index frequently reaches extreme levels, peaking in July at 20. The high-risk months are from February to October, where a burn time of just 10 minutes is recommended due to exposure categories qualifying as extreme. In contrast, January, November, and December present lower risks, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Visitors and residents should exercise caution during the peak months by using adequate sun protection, such as sunscreen, protective clothing, and shade, particularly when spending time outdoors between late morning and early afternoon.

Monthly Maximum UV Index for Chongdui, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chongdui. 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 Chongdui, 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 Chongdui UV Index with Other China Cities

The table above highlights how UV exposure in Chongdui 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.

Chongdui'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
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
Chongdui	10	12	16	17	19	18	20	19	18	16	10	8