UV Index in Heyuan, China

Last updated: July 2, 2025

Understanding the UV Index in Heyuan, China is crucial for maintaining skin health and preventing sunburn throughout the year. With peak UV levels reaching a staggering 13 during midday, residents and visitors alike must be vigilant about sun exposure, particularly during the warm months characteristic of Heyuan’s Cwa climate. Recognizing these UV intensity levels enables individuals to take proactive measures to protect their skin, ensuring a safer and more enjoyable outdoor experience in this vibrant city.

Hourly UV Index in Heyuan

The UV Index throughout the day exhibits a remarkable fluctuation, reaching its peak at 12:00 PM with a scorching 13. As the sun climbs higher, the intensity of UV radiation increases, starting from a mild 1 at 7:00 AM and surging to a notable 9 by 10:00 AM. The morning hours reveal a steady rise, culminating in a blistering 12 at 11:00 AM. After the midday peak, the UVI begins to taper off, dropping to 11 at 1:00 PM, before gradually declining to 4 by 4:00 PM. As evening approaches, the UV levels continue to diminish, landing at a safe 0 by 7:00 PM. This hourly data underlines the importance of sun safety during the peak hours, particularly between 11:00 AM and 2:00 PM, when the UV Index poses the greatest 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	6	high	25 min
10:00	9	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	7	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 Heyuan

Throughout the year, the UV Index experiences notable fluctuations, with the high-risk months being primarily from February to September, where the index reaches extreme levels, particularly peaking in May at an index of 14. Visitors and residents should be particularly cautious during these months, adhering to a burn time of just 10 minutes in extreme categories. The very high exposure months of October and November, with indices of 10 and 9 respectively, still necessitate protective measures, allowing for a burn time of 15 minutes. As a guideline, ensure to apply sunscreen, wear protective clothing, and seek shade, especially between 10 AM and 4 PM during these high-risk periods to minimize UV exposure and safeguard skin health.

Monthly Maximum UV Index for Heyuan, China

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

The table above highlights how UV exposure in Heyuan 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.

Heyuan'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
Heyuan	7	10	12	12	14	13	13	13	12	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7