UV Index in Bayi, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Bayi, China, where the subtropical highland climate can lead to significant sun exposure, especially during summer months. Knowing the daily UV levels helps in preventing sunburns and maintaining long-term skin health, as intense UV radiation—peaking around noon with an index of 16—can pose serious risks. With this region's characteristic climate, it’s vital to stay informed and take proper precautions to enjoy the outdoors safely without compromising your skin's well-being.

Hourly UV Index in Bayi

As the sun rose at 7:00 AM, the UV Index was a mere 1, making it a safe time for early risers. However, by 9:00 AM, it climbed to 3, signaling the onset of a more intense UV exposure. The real peak arrived around 12:00 PM with an intense 13, soaring to its maximum of 16 by 1:00 PM. Observing this trend, outdoor enthusiasts should take caution during the afternoon when the UV Index remained high at 16 until 2:00 PM. As the day wore on, the index began to decline, tapering off to 4 by 6:00 PM and settling at a comfortable 2 by 7:00 PM. Thus, it’s clear: sun safety is crucial, especially during those midday 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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	9	very high	15 min
12:00	13	extreme	10 min
13:00	15	extreme	10 min
14:00	16	extreme	10 min
15:00	14	extreme	10 min
16:00	10	very high	15 min
17:00	7	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Bayi

Throughout the year, UV Index levels exhibit significant seasonal variation, with the highest values occurring from February to October. The most critical months, characterized by an extreme exposure category, are March through November, where the UV Index ranges from 11 to 19 and the burn time is as low as 10 minutes. January and December see slightly lower levels, dropping to a very high exposure category with a burn time of 15 minutes. Visitors and residents should be particularly vigilant during the peak months and are advised to take proactive measures to protect their skin, such as applying sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest.

Monthly Maximum UV Index for Bayi, China

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

The table above highlights how UV exposure in Bayi 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.

Bayi'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
Bayi	8	11	15	18	19	16	16	16	17	14	11	8