UV Index in Bayan, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Bayan, China, as it serves as a vital indicator of the sun's potential to cause skin damage. With its Dwc climate, Bayan experiences seasonal variations, but during clear days, the UV levels can reach alarming heights, particularly around noon when values peak at a significant 12. Awareness of these levels is essential for preventing sunburn and protecting skin health, especially when UV levels climb to 10 and above, indicating a very high risk of harm from unprotected sun exposure. By staying informed about the UV Index, residents can take proactive measures to enjoy the outdoors safely while minimizing the risk of skin-related issues.

Hourly UV Index in Bayan

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 09:00, it ramps up to 4, signaling a gradual increase in sun intensity. The peak occurs between 11:00 and 13:00, where it reaches a striking 12 and an intense 13, reminding us to seek shade or apply sunscreen. In the early afternoon, we experience a brief plateau before it steadily declines, dropping to 8 by 16:00 and waning to 1 again by 19:00. This clear pattern highlights the importance of safeguarding our skin during the sun’s peak hours!

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	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	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 Bayan

Seasonal UV changes show a marked increase from the beginning of the year to the peak summer months. January starts with a moderate UV Index of 4, moving to extreme levels of 13-14 from May through July. The highest risk months are April through September, with the UV Index often reaching extreme levels (12-14), where burn time can be as low as 10 minutes. As the year progresses into autumn, the UV Index declines, allowing for more moderate exposure in October and December. Visitors and residents are advised to take precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours, to reduce the risk of harmful UV exposure.

Monthly Maximum UV Index for Bayan, China

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

The table above highlights how UV exposure in Bayan 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.

Bayan'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
Bayan	4	6	9	12	13	14	14	12	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