UV Index in Yanwu, China

Last updated: June 2, 2025

In Yanwu, China, being aware of the UV Index is crucial for protecting your skin and overall health. The UV levels can vary significantly throughout the day, peaking at a staggering 12 between noon and 1 PM, which can lead to sunburn and long-term skin damage if proper precautions aren’t taken. With a Dwb climate, Yanwu experiences intense sunlight, making it essential to understand these fluctuations in UV exposure. By staying informed about the UV Index, residents and visitors can enjoy the sun safely while safeguarding their skin health.

Hourly UV Index in Yanwu

As the day unfolds, the UV Index climbs steadily, peaking at a stunning 12 around noon. Starting from a modest 1 at 7:00 AM, the intensity escalates, reaching a vital 10 by 11:00 AM. The afternoon continues with high values, with 12 sustained from 12:00 PM to 1:00 PM, before gradually tapering off. By 4:00 PM, the index drops to 6, and as evening approaches, it cools to a safe 1 by 7:00 PM. For those venturing outdoors, it’s crucial to take precautions during the peak hours from 10:00 AM to 2:00 PM, when the sun's rays are 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	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 Yanwu

The UV Index experiences significant seasonal variation, peaking during the summer months. January and February have moderate UV levels (Index 4-5), allowing for 30 minutes of safe sun exposure. However, starting in March, the risk increases with a high UV Index of 7 and a reduced burn time of 25 minutes. As we transition into April and May, the risk escalates dramatically, reaching very high levels of 10-12, requiring protective measures with only 10-15 minutes of safe exposure. The extreme conditions continue through July and August, where the UV Index peaks at 13, emphasizing the importance of sun safety. In September and October, the UV Index remains very high, while November and December offer more moderate exposure levels again at 5 and 3 respectively. For visitors and residents, it’s critical to stay informed about UV changes, particularly between March and October, to ensure sun safety by wearing sunscreen, protective clothing, and avoiding peak sun hours.

Monthly Maximum UV Index for Yanwu, China

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

The table above highlights how UV exposure in Yanwu 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.

Yanwu'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
Yanwu	4	5	7	10	12	12	13	11	10	8	5	3
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