UV Index in Yumen, China

Last updated: June 2, 2025

Understanding the UV Index in Yumen, China is essential for everyone who enjoys the outdoors, as it plays a pivotal role in protecting your skin and overall health. The UV Index measures the strength of ultraviolet radiation, providing invaluable information to help prevent sunburn and long-term skin damage. In Yumen, characterized by its dry and arid BWk climate, residents and visitors must be especially vigilant, as peak UV levels can reach a striking 12 during summer afternoons. By staying informed about the UV Index, you can make safe choices and enjoy the beautiful sun while minimizing risks associated with excessive sun exposure.

Hourly UV Index in Yumen

At dawn, the UV Index starts off gentle, peaking at 1 by 07:00. As the sun rises higher, its intensity escalates dramatically, reaching 6 by 10:00 and soaring to a blistering 12 at 13:00—the highest point of the day. From then, the index begins a gradual descent, tapering to 10 by 15:00, followed by 8 at 16:00, and finally falling back to 1 by 19:00. This dynamic pattern highlights the importance of sun protection during midday hours, when UV exposure is at its most intense, especially between 11:00 and 14:00. Stay safe and enjoy the sunshine responsibly!

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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Yumen

Throughout the year, UV exposure levels fluctuate significantly, with high-risk months primarily occurring from March to August. In March, the UV Index reaches 7, categorized as high, and this escalates to a peak of 12 in June, where the exposure is classified as extreme. Notably, May and June are critical months for sun safety, with burn times as short as 10 minutes. As the summer wanes, although the index decreases, September still maintains a very high level at 8, where burn time is 15 minutes. From October to December, conditions moderate, returning to a safe exposure level with a UV Index of 4 in November and December, allowing for longer burn times of 30 minutes. Visitors and residents alike are encouraged to take precautions during high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently to mitigate the risks associated with UV exposure.

Monthly Maximum UV Index for Yumen, China

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

The table above highlights how UV exposure in Yumen 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.

Yumen'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
Yumen	3	4	7	9	11	12	11	10	8	6	4	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