UV Index in Humen, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Humen, China, as it plays a vital role in sunburn prevention and overall skin health. With the city experiencing a Cwa climate, characterized by hot summers and the potential for high UV exposure, being aware of daily UV levels can help you take necessary precautions against harmful effects. On particularly sunny days, like those where the UV Index peaks at a staggering 14 around midday, it's essential to protect your skin to avoid short- and long-term health risks. So, whether you’re spending a day outdoors or just running errands, keep an eye on the UV Index to enjoy the sun safely!

Hourly UV Index in Humen

The UV Index throughout the day displays a dynamic rise and fall, peaking at 14 around 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting with a gentle 1 at 07:00, it escalates quickly, climbing to a 9 by 10:00 AM. The index reaches its zenith at noon before gradually tapering down to 2 by 17:00, and finally settling at 0 by 19:00. This pattern highlights the importance of sun protection during the midday hours when UV radiation is at its most intense, urging everyone to be vigilant and stay safe!

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	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 Humen

Throughout the year, UV exposure fluctuates significantly, with February through September being the high-risk months due to extreme UV Index levels consistently reaching between 11 and 14. March and April peak at 11 and 12, while May to July measures 14—the most hazardous rating. During these critical months, the recommended burn time is a mere 10 minutes, making sun protection essential. Conversely, the UV Index declines in the fall and winter months, with October and November classified as very high (UV Index 9-10) and burn times slightly improving to 15 minutes. As January and December return to high levels, sun exposure increases to 25 minutes but remains noteworthy. Visitors and residents should take precautions year-round, especially during the summer months, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours.

Monthly Maximum UV Index for Humen, China

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

The table above highlights how UV exposure in Humen 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.

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