UV Index in Jiannan, China

Last updated: June 2, 2025

Understanding the UV Index in Jiannan, China is crucial for protecting your skin from harmful ultraviolet radiation. With maximum UV levels peaking at 12 around noon, awareness of these levels can significantly aid in sunburn prevention and promote overall skin health. Located in a Cwa climate zone, Jiannan experiences warm, humid summers, making it imperative for residents and visitors alike to monitor daily UV exposure. By staying informed, you can enjoy the sun safely while minimizing risks associated with excessive UV exposure.

Hourly UV Index in Jiannan

As the sun rises, the UV Index begins its ascent, starting from a gentle 1 at 07:00. By 09:00, it hits 4, signaling a moderate increase. The real ascent occurs from 10:00 onward, peaking at an intense 12 by 13:00, where sun protection becomes essential. This peak is followed by a brief dip, as the index drops to 9 at 15:00, before tapering off towards the evening. As the day comes to a close, UV levels reduce to 3 at 17:00 and settle back to 1 by 19:00, highlighting the critical hours for sun exposure between 11:00 and 14:00. Stay safe and protect your skin during those peak UV times!

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	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Jiannan

Throughout the year, the UV Index experiences notable seasonal fluctuations, with high-risk months from February to October when the index consistently reaches high to extreme levels. Specifically, March through August sees the highest readings, peaking at 12 in May and June, indicating an extreme exposure category with a burn time as short as 10 minutes. During these months, visitors and residents are strongly advised to take precautionary measures, including wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade during peak sun hours. As temperatures begin to fall into November and December, the UV levels decrease to moderate, allowing for safer outdoor activities.

Monthly Maximum UV Index for Jiannan, China

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

The table above highlights how UV exposure in Jiannan 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.

Jiannan'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
Jiannan	4	6	8	10	12	12	10	11	10	8	6	4
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