UV Index in Jianchi, China

Last updated: July 2, 2025

In Jianchi, China, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is essential not only for preventing painful sunburns but also for reducing the long-term risks of skin damage and skin cancer. With Jianchi's Cwa climate, which features hot and humid summers, the UV Index can soar, especially between 10 AM and 2 PM, peaking at a staggering 11 around noon. Being aware of these numbers empowers residents and visitors alike to take the necessary precautions to enjoy the sun safely.

Hourly UV Index in Jianchi

Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these 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	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Jianchi

As the seasons change, the UV Index varies significantly, indicating different levels of sun exposure risk. During the winter months (January and February), the UV Index remains moderate at 4 and 5 respectively, allowing for a burn time of 30 minutes. However, starting in March, the index escalates to 8, indicating a very high risk, which continues to rise through April (9) and peaks in May to August at an extreme level of 11, with a burn time of just 10 minutes during these months. The risk diminishes slightly in September (10) and October (8), yet remains very high, before dropping back to moderate levels by November (5) and December (4). Visitors and residents are advised to take precautions from March through October, ensuring proper sun protection — such as sunscreen, clothing, and shade — especially during the peak summer months when the potential for sunburn is greatest.

Monthly Maximum UV Index for Jianchi, China

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

The table above highlights how UV exposure in Jianchi 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.

Jianchi'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
Jianchi	4	5	8	9	11	11	11	11	10	8	5	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