UV Index in Bilian, China

Last updated: May 3, 2025

Understanding the UV Index in Bilian, China is essential for protecting your skin and overall health. With UV levels peaking at a striking 12 around midday, awareness of these fluctuations is crucial for sunburn prevention and maintaining long-term skin health. Bilian experiences a Cfa climate, characterized by hot, humid summers, which can amplify UV risks. By comprehending the UV Index, residents and visitors can better prepare for sun exposure, ensuring they enjoy the beautiful weather without compromising their well-being.

Hourly UV Index in Bilian

At sunrise, the UV Index begins at a gentle 2 by 07:00, but as the sun rises higher, the intensity quickly escalates. By 09:00, it reaches a moderate 7, signaling outdoor enthusiasts to apply sunscreen. The peak comes at 11:00 and 12:00, where the index peaks at a striking 12, indicating very high levels of UV radiation. As the afternoon progresses, the index gradually decreases, dipping to 8 by 14:00 and further dropping to 5 by 15:00. In the late afternoon and evening, the UV Index retreats to 3 by 16:00, finally settling at 1 by 17:00 and fading to 0 after 19:00. This daily cycle highlights the importance of sun safety during those 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Bilian

Throughout the year, UV Index levels exhibit significant seasonal changes, with marked increases from late winter to summer. The high-risk months are primarily from February through September, where the index reaches extreme levels, particularly from April to August, peaking at 13 in August. During these months, burn times decrease to as little as 10 minutes, underscoring the need for caution. It is crucial for visitors and residents to protect themselves with sunscreen, protective clothing, and seek shade during peak sun hours to mitigate the risks of overexposure. In contrast, fall and winter months generally present lower UV risks, making outdoor activities safer but still necessitating some level of protection, especially in January and October when the index remains notably high.

Monthly Maximum UV Index for Bilian, China

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

The table above highlights how UV exposure in Bilian 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.

Bilian'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
Bilian	6	8	10	11	12	12	12	13	11	9	7	5
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