UV Index in Youyun, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Youyun, China, particularly given its unique climate in the ET zone. With peak UV levels soaring to a staggering 15 between noon and 2 PM, awareness of these levels can significantly aid in sunburn prevention and promote long-term skin health. As you navigate daily activities under the vibrant sun, recognizing the potential risks of high UV exposure is essential to enjoying the outdoors safely. Stay informed and protect your skin while soaking up the beauty of Youyun!

Hourly UV Index in Youyun

The UV Index showcases a dramatic rise in intensity throughout the morning and early afternoon. Starting at a modest 1 at 07:00, the index gradually climbs to 2 by 08:00 and reaches 4 by 09:00. As the sun ascends, it peaks sharply at 14 around 12:00, culminating in a stunning 15 from 13:00 to 14:00—the highest point of the day. Later, the index begins to decline, with readings dropping to 10 by 16:00, and falling further to 3 by 18:00, before settling back down to 1 by 19:00. This data underscores the importance of sun protection during peak hours, especially between 11:00 and 15:00, when UV exposure is at its 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	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	14	extreme	10 min
13:00	15	extreme	10 min
14:00	15	extreme	10 min
15:00	13	extreme	10 min
16:00	10	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Youyun

The UV Index exhibits significant seasonal variations, with the highest values occurring from March through October. This period exhibits an extreme category of UV exposure, particularly peaking in April and May with an index of 14 and 16, respectively, for which the burn time drops to just 10 minutes. February also marks a transition into high-risk exposure, with an index of 8, while the cooler months of January and December show a moderate risk with an index of 5 and longer burn times of 30 minutes. Visitors and residents should be particularly vigilant from February to October, ensuring proper sun protection such as sunscreen, hats, and sunglasses during peak hours, as the risk for skin damage is significantly elevated.

Monthly Maximum UV Index for Youyun, China

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

The table above highlights how UV exposure in Youyun 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.

Youyun'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
Youyun	5	8	11	14	16	16	15	14	13	11	8	5