UV Index in Sanhekou, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Sanhekou, China, where the climate embraces a Cfa type, characterized by hot summers and high humidity. Awareness of UV levels is essential not only for preventing sunburn but also for protecting overall skin health, as excessive exposure can lead to long-term damage. In Sanhekou, the UV Index can reach dangerously high levels, peaking at 11 during midday hours—emphasizing the importance of sun safety precautions, especially at peak times. Embrace the sunshine wisely, and keep your skin safe!

Hourly UV Index in Sanhekou

The UV Index data reveals a dynamic day of sun exposure, starting off gently at 07:00 with a low level of 1. As the day progresses, the intensity ramps up, peaking at 11 between 12:00 and 13:00—a time to be mindful of sun safety. The index gradually declines after that, dipping to 9 by 14:00 and continuing down to 2 by 17:00. By evening, the UV levels fall back to a mellow 1 at 18:00 and persist through 19:00. Overall, plan your outdoor activities accordingly, especially between 10:00 and 13:00, when UV levels are at their highest!

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	6	high	25 min
10:00	8	very high	15 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 Sanhekou

The UV Index shows significant seasonal variation, with the highest levels occurring from June through August, characterized as having an extreme exposure category and the shortest burn time of just 10 minutes. The high-risk months for UV exposure are March to October, where the index often reaches levels categorized as very high or extreme. To protect yourself from harmful UV radiation during these peak times, it's crucial for visitors and residents to apply sunscreen, wear protective clothing, and seek shade, especially between the hours of 10 AM and 4 PM. In contrast, January, December, and the latter part of November see much lower UVI levels, falling into the moderate to high categories, allowing for longer exposure times, but precaution is still advisable.

Monthly Maximum UV Index for Sanhekou, China

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

The table above highlights how UV exposure in Sanhekou 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.

Sanhekou'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
Sanhekou	5	6	8	10	10	11	11	11	10	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