UV Index in Shimen, China

Last updated: August 1, 2025

Understanding the UV Index in Shimen, China, is crucial for protecting your skin from harmful solar radiation. With annual averages falling within the humid subtropical climate (Cfa), Shimen experiences significant UV exposure, particularly during peak hours between 11:00 AM and 2:00 PM, when UV levels can soar to rates as high as 11. By staying informed about UV levels, residents and visitors alike can prevent painful sunburns and long-term skin damage. Whether you're enjoying outdoor activities or just soaking in the sun, being aware of the UV Index is essential for maintaining healthy skin in this charming locale.

Hourly UV Index in Shimen

The UV Index fluctuates throughout the day, beginning with a gentle rise from a modest 1 at 07:00 to a peak of 11 at noon. As the sun reaches its highest point, the intensity of UV radiation escalates, urging caution and protection. The index remains high until 14:00, maintaining a reading of 10, before gradually declining in the afternoon. By 17:00, it drops to 3 and cools off to 1 by evening, highlighting the dramatic shift in UV exposure as daylight fades. For a sun-safe day, plan outdoor activities in the morning or later in the evening!

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Shimen

Throughout the year, seasonal UV changes significantly impact sun exposure and potential skin damage. During the early months of January and December, the UV Index is moderate (5 and 4 respectively), allowing for longer burn times of 30 minutes. However, as spring approaches, there's a notable increase, reaching very high levels by March (8) and April (10). The months from May to August are particularly high-risk, featuring an extreme UV Index (11-12) with a minimal burn time of just 10 minutes. As summer transitions to fall, the UV levels decrease slightly, but September still poses a risk with a UV Index of 9. To safeguard against sunburn and long-term skin damage, it’s advisable for visitors and residents to take precautionary measures during high-risk months: seek shade, wear protective clothing, and apply broad-spectrum sunscreen frequently, especially from March to August.

Monthly Maximum UV Index for Shimen, China

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

The table above highlights how UV exposure in Shimen 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.

Shimen'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
Shimen	5	6	8	10	11	11	11	12	9	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