UV Index in Heshan, China

Last updated: June 2, 2025

In Heshan, China, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding the daily UV levels is essential for sunburn prevention and maintaining long-term skin health, especially in a region characterized by its humid subtropical climate (Cfa). With midday UV values soaring to a striking 12, residents and visitors alike must be vigilant about sun safety to mitigate the risks of overexposure. Whether you're enjoying outdoor activities or going about daily life, staying informed about the UV Index can make all the difference in safeguarding your skin from damage.

Hourly UV Index in Heshan

The UV Index throughout the day showcases a stark increase as the sun rises, starting from a mild 1 at 07:00 and peaking at a striking 12 between 12:00 and 13:00. This significant surge highlights the importance of sun protection, especially during the hours when the index reaches maximal levels of 10 at 11:00 and 11 at 14:00. As the afternoon wanes, the UV Index begins to decline, dropping to 8 by 15:00 and finishing the day with a gentle return to 1 by 19:00. This data serves as a crucial reminder to prioritize sun safety during midday hours when UV exposure is at its highest.

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

Monthly UV Index Trends in Heshan

Throughout the year, UV exposure levels fluctuate significantly, with high-risk months generally spanning from February through September, where the UV Index reaches extreme levels of 11 and higher. Notably, May, July, and August peak at a UV Index of 13, demanding particularly cautious behavior as the burn time drops to just 10 minutes. As we transition to fall and winter, UV levels gradually decrease, with October and November still presenting a very high concern, while January and December return to a high category with more extended burn times of 25 minutes. To protect against the harmful effects of UV radiation, visitors and residents should prioritize sun safety practices—such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade—particularly during the high-risk months when UV exposure is at its peak.

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
Heshan	7	9	11	11	13	12	13	13	11	10	8	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