UV Index in Longju, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Longju, China, as it serves as a vital indicator of sun exposure risk throughout the day. Being aware of UV levels helps in preventing sunburns and protecting skin health, which is essential in a region where the Cfa climate can lead to intense sunlight, particularly during peak hours. With UV Index values soaring as high as 13 around midday, Longju presents notable exposure risks—making it imperative to stay informed and take necessary precautions to enjoy the sun safely.

Hourly UV Index in Longju

The UV Index shows a dynamic rise throughout the morning, peaking at 13 between noon and 1 PM, when the sun's rays are most intense. Starting at a gentle 1 at 7 AM, it steadily escalates, reaching 11 by 11 AM. After the midday peak, the index begins to taper off, dropping back to 8 by 3 PM and further declining to 1 by sunset at 7 PM. For those planning activities outdoors, it’s crucial to take precautions during the hours of 10 AM to 2 PM when the UV levels are highest, ensuring safety while soaking in the summer sun.

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

Monthly UV Index Trends in Longju

Throughout the year, UV Index readings display notable seasonal changes, with significant peaks during the summer months. January and February see high UV levels (6 and 7 respectively), where a burn can occur in as little as 25 minutes. This escalates in March with a very high index of 10 and a reduced burn time of 15 minutes. The UV levels reach their peak in April and May, categorized as extreme with indexes of 11 and 12, demanding diligent sun protection as burn times drop to just 10 minutes. The extreme UV exposure persists through June and July, followed by August and September, both maintaining a 12 rating. In October, the index decreases to 9 (very high), allowing a slightly longer burn time of 15 minutes, while November and December return to high and moderate levels respectively. Visitors and residents should exercise caution during the peak months from April to September, employing protective measures such as sunscreen, hats, and shade to minimize UV exposure risks.

Monthly Maximum UV Index for Longju, China

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

The table above highlights how UV exposure in Longju 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.

Longju'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
Longju	6	7	10	11	12	13	13	12	12	9	7	5
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