UV Index in Jiannan, China

Last updated: July 2, 2025

In Jiannan, China, understanding the UV Index is essential for safeguarding your skin and overall health. With peak UV levels often reaching a dangerous 10 during midday hours, residents and visitors alike must be aware of these risks to prevent sunburn and long-term skin damage. Jiannan's Cwa climate brings a mix of hot summers and cooler winters, but the sun's intensity can be underestimated, especially around noon. By staying informed about the UV Index, you can take proactive measures to enjoy the outdoors safely while keeping your skin protected from harmful ultraviolet rays.

Hourly UV Index in Jiannan

As the day unfolds, the UV Index begins its ascent, starting at a modest 1 at 07:00. By 09:00, it reaches a playful 3, but things heat up by 10:00 as it jumps to 6. The peak occurs between 12:00 and 14:00, when the index skyrockets to a blistering 10, signaling it's time to seek shade or don sunscreen! Following this peak, the intensity begins to wane, dropping to 8 by 15:00 and gracefully declining to 2 by 18:00. As the sun sets, the UV Index gently returns to 1 by 19:00, wrapping up the day with a sigh of relief. Stay safe and be SunSmart! ☀️

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	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 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