UV Index in Caohekou, China

Last updated: August 1, 2025

In Caohekou, China, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The region experiences a Dwa climate, characterized by distinct seasons that can lead to varying UV exposure throughout the year. During peak sun hours, especially from 10 AM to 12 PM, UV levels can rise dramatically to a maximum of 10, posing significant risks for skin damage. By being aware of the UV Index, you can take proactive measures to protect yourself, ensuring that your time outdoors remains enjoyable and safe.

Hourly UV Index in Caohekou

The UV Index throughout the day reveals a dynamic pattern of sun intensity, peaking dramatically as the sun climbs. At 07:00, it starts at a mild 2, but by 09:00, it escalates to a notable 7. The intensity reaches its zenith at 11:00 and 12:00, both with a robust 10, demanding protective measures for outdoor activities. As the afternoon progresses, the index gradually declines, falling to 5 by 15:00 and tapering off to 1 by 17:00, where it remains until twilight. This highlights the critical hours for sun exposure, especially between 10:00 and 14:00, when the sun’s rays are at their strongest.

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	6	high	25 min
10:00	8	very high	15 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Caohekou

The UV Index exhibits notable seasonal changes, with the highest levels occurring during the summer months from June to August, where it peaks at 10 and falls into the very high exposure category, resulting in a burn time of just 15 minutes. April and May also signify a transition into high-risk months, displaying a UV Index of 8. Conversely, the winter months of January and December demonstrate low UV levels, with an Index of 2, allowing for longer exposure times of 45 minutes without significant risk. To protect yourself, it is crucial for visitors and residents to remain vigilant during the high-risk months of March through September, wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize UV exposure.

Monthly Maximum UV Index for Caohekou, China

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

The table above highlights how UV exposure in Caohekou 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.

Caohekou'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
Caohekou	2	3	6	8	8	10	10	10	8	6	3	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