UV Index in Heyin, China

Last updated: July 2, 2025

Understanding the UV Index in Heyin, China is crucial for safeguarding your skin against harmful ultraviolet radiation. With peak UV levels reaching up to 14 during the hottest hours of the day, awareness of these fluctuations can help you take necessary precautions to prevent sunburn and maintain skin health. Given Heyin's Dwc climate—characterized by dry winters and warm summers—the UV exposure risks can be particularly high, especially during midday. By keeping an eye on the UV Index, you can enjoy the outdoors while minimizing your risk of skin damage.

Hourly UV Index in Heyin

The UV Index throughout the day presents a dynamic picture of sun intensity, peaking at a critical 14 between 1:00 PM and 2:00 PM. Starting off gently at a mere 1 at 7:00 AM, the index gradually ascends to 2 by 8:00 AM, then surges to 4 by 9:00 AM. As the sun rises higher, it reaches a robust 10 at 11:00 AM and culminates at a sizzling 13 at noon. The late afternoon sees a slight decline, dropping to 11 by 3:00 PM, before tapering down to 2 by 6:00 PM and returning to a restful 1 by 7:00 PM. For those venturing outdoors, the hours from 11:00 AM to 3:00 PM clearly underscore the importance of sun protection!

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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Heyin

Throughout the year, the UV Index displays significant seasonal changes, with higher risk months typically occurring from March to September. The most extreme levels are recorded in May, June, and July, where the UV Index peaks at 14, resulting in a burn time of just 10 minutes. Visitors and residents should take precautions during these months, ensuring to apply sunscreen, wear protective clothing, and limit sun exposure during peak hours. As the UV Index declines from October, reaching moderate levels in December and January, the risk significantly decreases, though it's still important to remain vigilant. In summary, be particularly cautious from March to September, especially in the summer months, to protect your skin and overall health.

Monthly Maximum UV Index for Heyin, China

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

The table above highlights how UV exposure in Heyin 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.

Heyin'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
Heyin	4	6	9	11	14	14	14	12	11	9	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