UV Index in Longtan, China

Last updated: July 2, 2025

Being aware of the UV Index in Longtan, China, is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps residents take proactive measures to prevent sunburn and long-term skin damage, especially during the peak hours when the index reaches 10 at midday. Longtan, with its Cfa climate, experiences intense sun exposure, notably during the summer months, making it essential for locals and visitors alike to stay informed about daily UV fluctuations. By monitoring UV levels, you can enjoy the great outdoors while minimizing the risks associated with harmful ultraviolet rays.

Hourly UV Index in Longtan

The UV Index throughout the day showcases a dynamic pattern of sun exposure. Starting gently at 07:00 with a UV Index of 2, it climbs steadily, peaking at 11:00 with a strong 10, indicating that it's essential to take sun safety precautions. The intensity remains high until 13:00, ensuring ample time for outdoor activities, but then the index begins to decline. By 15:00, it drops to 5, and as the sun sets, it falls to a softer 1 by 18:00. This data highlights the importance of sunscreen and protective measures during the peak midday hours when UV radiation is at its most potent.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Longtan

Throughout the year, UV exposure fluctuates significantly, with the highest risks occurring from March to August. In these months, particularly from June to July, the UV Index peaks at 11, classified as extreme, which means burn times can be as short as 10 minutes. Visitors and residents should take precautions during these high-risk months by wearing protective clothing, sunglasses, and sunscreen, and seeking shade during peak sunlight hours. Conversely, in January, November, and December, the UV Index remains lower, ranging from 4 to 5 with a moderate exposure category, allowing for longer safe exposure times of 30 minutes. Always stay informed about local UV conditions to ensure safe outdoor activities year-round.

Monthly Maximum UV Index for Longtan, China

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

The table above highlights how UV exposure in Longtan 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.

Longtan'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
Longtan	4	6	8	10	10	11	11	10	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