UV Index in Zhoujiang, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Zhoujiang, China, where the subtropical climate (Cfa) brings both sunshine and significant UV exposure. As UV radiation reaches its peak with indices soaring up to 13 around noon, awareness is key to preventing sunburn and protecting skin health—all vital steps toward enjoying the beautiful outdoors without risk. In Zhoujiang, where summer days can be long and sunny, knowing the daily UV levels empowers everyone to take necessary precautions against harmful effects, ensuring that time spent under the sun remains safe and enjoyable.

Hourly UV Index in Zhoujiang

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	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	0	low	45 min

Monthly UV Index Trends in Zhoujiang

Throughout the year, UV exposure levels exhibit significant seasonal variation, with high-risk months predominantly occurring from February to September. In February, the UV Index reaches 10, categorized as very high, with a burn time of just 15 minutes. This trend continues to escalate, peaking in August at a UV Index of 14, demanding maximum caution due to its extreme classification and a mere 10 minutes burn time. As we transition into autumn, levels gradually decline, dropping to 10 in October and 9 in November, remaining very high until the year's end. Therefore, it is crucial for visitors and residents alike to prioritize sun protection, especially during these peak months. Applying sunscreen, wearing protective clothing, and seeking shade during the hottest parts of the day can help mitigate health risks associated with UV exposure.

Monthly Maximum UV Index for Zhoujiang, China

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

The table above highlights how UV exposure in Zhoujiang 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.

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