UV Index in Heshan, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Heshan, China, where the subtropical climate can lead to significant daily sun exposure. With UV levels peaking as high as 13 during midday, awareness of these levels helps prevent sunburn and supports long-term skin health. Knowing the UV Index not only aids in protecting yourself while enjoying outdoor activities but also contributes to better overall wellness. Given Heshan's warm climate, it's essential to stay informed about UV risks throughout the day to ensure safe sun practices.

Hourly UV Index in Heshan

The day's UV Index reveals a dynamic pattern of solar intensity, with a steady rise from the early hours onward. Starting at a mild 1 at 07:00, it quickly escalates to 5 by 09:00, hitting a peak of 13 at both 12:00 and 13:00. This intense midday sun requires caution, as exposure can lead to skin damage in just a short time. As the afternoon progresses, the index gradually declines, falling to 8 at 15:00, and tapering off to a safer 1 by 18:00. Plan outdoor activities accordingly to maximize enjoyment while minimizing risk!

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	12	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	5	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 Heshan

The UV Index experiences significant seasonal variation, with the highest levels typically occurring from March to October. During February to October, the UV Index often falls into the very high to extreme categories, with March to May peaking at an index of 14 in May. High-risk months are primarily from February (10) to October (11), where sunburn can occur in as little as 10 to 15 minutes of unprotected exposure. Residents and visitors are advised to take protective measures such as wearing sunscreen, protective clothing, and sunglasses, especially during these high-risk months to minimize the risk of skin damage.

Monthly Maximum UV Index for Heshan, China

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

The table above highlights how UV exposure in Heshan 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.

Heshan'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
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
Heshan	7	10	12	12	14	13	13	13	12	11	9	7