UV Index in Suzhou, China

Last updated: July 2, 2025

Understanding the UV Index in Suzhou, China is crucial for maintaining your skin health and preventing sunburn. With the city’s Cwa climate, residents and visitors alike face varying UV exposure risks throughout the day, particularly during the midday hours when the index peaks at 10—indicating an intense risk of harm from unprotected sun exposure. By keeping an eye on UV levels, you can enjoy outdoor activities while taking effective measures to protect your skin from potential damage. Stay aware, stay protected, and make the most of Suzhou’s beautiful sunny days!

Hourly UV Index in Suzhou

The UV Index rises sharply as the day unfolds, kicking off at a gentle 1 at 07:00. However, by 08:00, it climbs to 3, signaling increasing sun intensity. The real surge comes between 09:00 and 12:00, where it escalates to a peak of 10, urging sun safety precautions, especially during the sun's zenith from 11:00 to 13:00. As the afternoon progresses, the intensity wanes, dropping to 8 at 14:00 and gradually declining to 6 by 15:00. A further descent continues into the evening, with values plummeting to 1 by 19:00. This trend serves as a reminder to stay protected during the sun's most potent hours!

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 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 Suzhou

The UV Index exhibits significant seasonal variations, with notable increases in risk from March through October. The high-risk months are April to September, during which the UV Index reaches its peak at 10 or 8, corresponding to a very high exposure category, and the burn time reduces to just 15 minutes. Residents and visitors should be especially vigilant during this interval, employing protective measures such as wearing sunscreen, hats, and sunglasses when outdoors. From January to March and again in November to December, the UV Index is lower, classified as moderate, allowing for a safer sun exposure duration of 30 minutes. Overall, it is essential to remain aware of UV levels and take appropriate precautions, particularly during the intense summer months.

Monthly Maximum UV Index for Suzhou, China

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

The table above highlights how UV exposure in Suzhou 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.

Suzhou'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
Suzhou	4	5	7	8	10	10	10	10	9	8	5	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