UV Index in Hekou, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Hekou, China, where sunny days can bring both joy and risks to skin health. Monitoring UV levels not only helps in preventing sunburn but also plays a vital role in reducing long-term skin damage and the risk of skin cancers. Hekou's Cwb climate often exposes individuals to varying UV intensities, peaking at a significant 12 during midday hours. Being aware of these levels enables everyone to enjoy the outdoors safely while protecting their skin from overexposure to harmful ultraviolet rays.

Hourly UV Index in Hekou

The UV Index for the day showcases a lively sun that reaches its peak intensity around noon, with a soaring score of 12. From 07:00, when the index starts at a mild 1, it steadily rises, crossing the 5 mark by 09:00 and hitting a robust 10 by 11:00. As the sun reaches its zenith, it maintains an exceptional 12 from 12:00 to 13:00, indicating a high risk of harm from unprotected sun exposure. Gradually, the index begins to decline, dropping to 9 at 15:00 and further to 3 by 17:00. As evening approaches, the index gently tapers off to 1 by 19:00, signaling a return to safer sun exposure levels. A day to enjoy the sun, but with caution 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 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	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Hekou

As the seasons change, so too does the UV Index, with significant increases from February to October. The months of May through September, particularly, present the highest risk with an extreme UV Index of 12. During this period, the recommended burn time is a mere 10 minutes, highlighting the necessity for protection. Conversely, during January and December, the UV levels moderate to 4, allowing for a safer exposure of 30 minutes. Visitors and residents alike should exercise caution during the high-risk months (March to October) by wearing protective clothing, applying sunscreen, and seeking shade, especially between 10 AM and 4 PM, when the sun's rays are strongest. Be vigilant about sun safety to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Hekou, China

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

The table above highlights how UV exposure in Hekou 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.

Hekou'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
Hekou	4	6	8	10	12	12	12	12	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