UV Index in Chenghai, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Chenghai, China, where the subtropical climate can lead to elevated sun exposure and skin risks. With UV levels peaking at a staggering 15 around noon, being aware of these indices is essential for preventing sunburn and protecting overall skin health. The city's Cwb climate presents unique challenges, making it imperative to monitor daily UV readings, especially during the hottest hours. Stay informed and safeguard yourself from harmful UV rays while enjoying the beautiful Chenghai outdoors!

Hourly UV Index in Chenghai

From 7:00 AM to 9:00 AM, the UV Index remains low, peaking at a mild 3 by 9:00 AM, making it a safe time for outdoor activities. However, as the sun climbs higher, the UV Index escalates sharply, reaching a striking 10 by 11:00 AM and peaking at an intense 15 between 1:00 PM and 2:00 PM. This period signifies a critical time to seek shade and protect your skin. As the afternoon progresses, the UV Index begins to decline, tapering to a moderate 5 at 5:00 PM, before settling back to a low 1 by 7:00 PM. Stay vigilant during midday hours to ensure your health and safety under the sun!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	14	extreme	10 min
13:00	15	extreme	10 min
14:00	15	extreme	10 min
15:00	12	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chenghai

Throughout the year, UV exposure varies significantly, with high-risk months spanning from February to October, where the UV Index reaches extreme levels of 12 to 15, particularly peaking in July at an index of 15. During these months, the recommended burn time is notably short, at just 10 minutes, highlighting the urgent need for effective sun protection measures. In contrast, January and December have a UV Index of 7, categorized as high, allowing for a longer burn time of 25 minutes. Visitors and residents are strongly advised to monitor the UV Index regularly and take appropriate precautions during the high-risk months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Chenghai, China

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

The table above highlights how UV exposure in Chenghai 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.

Chenghai'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
Chenghai	7	9	12	13	14	14	15	14	14	12	9	7