UV Index in Chaotian, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Chaotian, China, where the subtropical climate often leads to high ultraviolet exposure. Knowing the daily UV levels can significantly impact your skin health and help prevent sunburns, ensuring you enjoy the outdoors safely. During peak hours, particularly between 11 AM and 1 PM, the UV Index can soar to an alarming 12, posing serious risks even on overcast days. Staying informed about these levels is essential for making smart choices about sun protection and outdoor activities in this vibrant region.

Hourly UV Index in Chaotian

The UV Index throughout the day showcases a dynamic pattern, beginning with a mild level of 1 at 7:00 AM and gradually climbing to a striking peak of 12 by 1:00 PM. This midday maximum indicates a high risk for unprotected skin, urging caution as UV radiation is particularly intense. As the afternoon unfolds, the index gradually decreases, dropping to 9 at 3:00 PM, and continues to decline until it returns to a safe 1 by 7:00 PM. Between 11:00 AM and 2:00 PM, when the index hovers around 11 to 12, it's essential to seek shade or apply sunscreen for optimal protection. Overall, this UVI data emphasizes the importance of being mindful of UV exposure, especially during the 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	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chaotian

Throughout the year, UV exposure varies significantly, with the highest risk typically occurring from March to August. During this period, the UV Index peaks at 12, categorized as extreme, indicating a burn time of just 10 minutes. Specifically, May, June, July, and August are the most critical months for skin protection. In contrast, the UV levels are lower during the colder months, with January and December presenting a moderate risk, allowing for a burn time of 30 minutes. Residents and visitors are advised to take precautionary measures, particularly in the high-risk months, such as wearing sunscreen, protective clothing, and seeking shade to minimize harmful UV exposure.

Monthly Maximum UV Index for Chaotian, China

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

The table above highlights how UV exposure in Chaotian 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.

Chaotian'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
Chaotian	4	6	8	10	12	12	12	11	10	8	5	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