UV Index in Cewu, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Cewu, China, as it plays a significant role in safeguarding skin health and preventing sunburn. With the region's humid subtropical climate (Cfa), sunny days can bring heightened UV exposure, especially between 10 AM and 2 PM, when the UV Index peaks at a daunting 13. Being aware of these levels enables you to take protective measures, ensuring that your time outdoors is enjoyable and safe. Stay informed to protect your skin and make the most of Cewu's beautiful sunny days!

Hourly UV Index in Cewu

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Cewu

Throughout the year, UV exposure varies significantly, with the highest risks occurring from February to September. During these months, the UV Index peaks at 13, categorized as extreme, particularly from May to August, where the burn time is as short as 10 minutes. March and April also present severe levels, with UV Index readings of 12 and 11, respectively. As winter approaches, the Index drops to 7 in January and 6 in December, allowing for somewhat safer sun exposure with a 25-minute burn time. Visitors and residents are advised to take precautions—such as wearing sunscreen, protective clothing, and sunglasses—especially during the high-risk months from February to September to minimize the risk of skin damage and sunburn.

Monthly Maximum UV Index for Cewu, China

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

The table above highlights how UV exposure in Cewu 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.

Cewu'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
Cewu	7	9	12	11	13	13	13	13	11	10	8	6
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