UV Index in Longnan, China

Last updated: June 2, 2025

In Longnan, China, being aware of the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. Understanding UV levels throughout the day can help prevent sunburn and maintain overall skin health, particularly in a region characterized by a Cfa climate, which typically sees high humidity and varying sun exposure. With peak UV Index readings reaching as high as 13 around noon, residents and visitors alike must take proactive measures during the sun’s most intense hours, ensuring they enjoy the great outdoors while minimizing their risk of skin damage.

Hourly UV Index in Longnan

The UV Index shows a dynamic progression throughout the day, starting from a mild 2 at 07:00 and climbing steadily to a peak of 13 by 12:00. As the sun reaches its zenith, the index reflects the intensity of ultraviolet rays, hitting 12 at 13:00 before gradually declining. By the afternoon, it slips down to 6 at 15:00, then diminishes further to 2 at 17:00 and finally to a mere 0 as twilight descends at 19:00. It's clear that the highest risk for sun exposure occurs midday, making it essential to protect your skin during those 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Longnan

Throughout the year, UV Index levels exhibit notable seasonal changes, peaking during the warmer months. The highest risk months, characterized by an extreme UV Index of 13, are from May to August. In these months, the burn time is dramatically reduced to just 10 minutes, indicating heightened caution is essential. March and April also pose significant risk with an extreme index of 11-12 and a burn time of 10 minutes. Conversely, during winter months, particularly January, November, and December, the risk is relatively lower, with high exposure categories and burn times of 25 minutes. Visitors and residents are advised to take necessary precautions, such as wearing sunscreen, protective clothing, and sunglasses, especially from March to August when UV levels are at their peak.

Monthly Maximum UV Index for Longnan, China

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

The table above highlights how UV exposure in Longnan 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.

Longnan'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
Longnan	6	8	11	12	13	13	13	13	11	9	7	6
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