UV Index in Guanghou, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Guangzhou, China, where the subtropical climate can expose you to significant levels of dangerous ultraviolet radiation. With peak UV levels reaching as high as 9 around noon, awareness of these figures is essential for preventing sunburn and maintaining long-term skin health. As a city known for its hot summers and sunny days, knowing the UV Index helps you plan your outdoor activities safely, ensuring your time in the sun is enjoyable while minimizing the risks associated with excessive UV exposure. Stay informed and protect your skin!

Hourly UV Index in Guanghou

The UV Index throughout the day showcases a dynamic range of sun exposure. Starting at a mild 2 at 7:00 AM, the intensity gradually rises, peaking at 9 by 12:00 PM. This midday surge underscores the necessity of sun protection, as the index dips slightly to 8 at 1:00 PM before gradually declining through the afternoon. By 3:00 PM, it’s down to 5, further decreasing to a gentle 1 by 7:00 PM. With these fluctuations, it’s essential to stay vigilant and prioritize skin safety during the peak hours between 10:00 AM and 2:00 PM.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	7	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	5	moderate	30 min
16:00	3	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 Guanghou

Throughout the year, the UV Index reflects significant seasonal changes that impact sun exposure and potential skin damage. The high-risk months are from April to August, where the UV Index peaks at 9 in July, indicating very high exposure risk with a burn time as low as 15 minutes. Visitors and residents are advised to take extra precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Meanwhile, the winter months of January and February see a drop in UV levels to 2 and 3, classified as low to moderate, allowing for more lenient sun exposure while still taking care to protect skin. As the UV Index generally decreases towards the end of the year, exposure caution can be relaxed, particularly in November and December when burn times extend back to 45 minutes.

Monthly Maximum UV Index for Guanghou, China

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

The table above highlights how UV exposure in Guanghou 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.

Guanghou'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
Guanghou	2	3	5	6	7	8	9	8	6	4	2	1
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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7