UV Index in Sanmenxia, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for staying safe in Sanmenxia, China, especially given its Cwa climate, which brings warm summers with significant sun exposure. With UV levels peaking at 11 around midday, awareness of these indices can help you prevent sunburn and protect your skin health. By grasping the UV risks associated with your daily activities, you can enjoy the sunshine while ensuring your skin remains safe and healthy. Whether you're heading outdoors for work or leisure, checking the UV Index can make all the difference in safeguarding your well-being.

Hourly UV Index in Sanmenxia

From 07:00 to 08:00, the UV Index starts low at 1, perfect for a leisurely morning. As the sun climbs higher, it ramps up sharply, peaking at 11 between 12:00 and 13:00. This intense midday exposure signals a crucial time for sun protection. The afternoon sees the UV Index gradually tapering off, dropping to 9 by 14:00 and further declining to 4 by 16:00. As evening approaches, the UV levels return to a safe range, resting at 1 by 18:00 and lingering there until 19:00. Stay vigilant during the peak hours; your skin will thank you!

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	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 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	1	low	45 min

Monthly UV Index Trends in Sanmenxia

As the seasons change, so do ultraviolet (UV) radiation levels, significantly impacting both visitors and residents. January and February experience moderate UV levels (Index 4-5), with a burn time of 30 minutes; caution is still warranted. The UV Index intensifies in March (7), causing a shift to high risk, with a burn time of just 25 minutes. From April to July, UV levels reach extreme heights of 9-11, drastically reducing safe sun exposure to as little as 10 minutes. As we transition into August, September, and October, UV levels remain very high (9-10), with burn times of about 15 minutes. Those months herald high risk, especially for outdoor activities without sun protection. By November and December, UV levels lower back to moderate (3-4), allowing for safer sun exposure again for up to 30 minutes. Advice for everyone: during peak summer months, seek shade, wear protective clothing, and apply sunscreen regularly to minimize the risk of skin damage.

Monthly Maximum UV Index for Sanmenxia, China

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

The table above highlights how UV exposure in Sanmenxia 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.

Sanmenxia'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
Sanmenxia	4	5	7	9	11	11	11	10	9	8	4	3
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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7