UV Index in Longmen, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Longmen, China, where the climate fosters high levels of sun exposure. By staying informed about daily UV levels, you can effectively prevent sunburn and protect your skin health. Longmen, positioned in a cool climate zone, experiences significant UV risks, especially during peak hours between 10 AM and 3 PM, when the index can soar to a staggering 18. Awareness of these UV levels is essential to enjoying the outdoors safely while minimizing long-term skin damage.

Hourly UV Index in Longmen

As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it soars to 5, hinting at a bright day ahead. The intensity peaks dramatically between 11:00 AM and 1:00 PM, reaching a blistering 18. This peak is a powerful reminder to protect your skin as the sun reaches its zenith. By the afternoon, the index begins to decline, settling at 15 by 3:00 PM, and tapering off to a gentler 3 by 6:00 PM. As the sun sets, the UV Index returns to a safe 1, marking the end of a day that emphasizes the importance of sun safety during its 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	13	extreme	10 min
12:00	17	extreme	10 min
13:00	18	extreme	10 min
14:00	18	extreme	10 min
15:00	15	extreme	10 min
16:00	11	extreme	10 min
17:00	7	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Longmen

Throughout the year, the UV Index experiences significant fluctuations, influencing sun safety for residents and visitors. High-risk months for UV exposure occur from March to September, with the Index peaking in June at 18, classified as extreme, which necessitates caution. During this time, the burn time is reduced to just 10 minutes, indicating the urgent need for protective measures. Conversely, January and December see lower values of 4, categorized as moderate, allowing for longer safe exposure times of 30 minutes. Visitors and residents are advised to adopt sun safety practices, especially during high UV periods, including wearing sunscreen, protective clothing, and seeking shade to minimize skin damage.

Monthly Maximum UV Index for Longmen, China

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

The table above highlights how UV exposure in Longmen 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.

Longmen'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
Longmen	4	6	10	13	17	18	16	13	12	9	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