UV Index in Wuxi, China

Last updated: June 2, 2025

In Wuxi, China, awareness of the UV Index is crucial as it plays a pivotal role in guarding against harmful sun exposure. Understanding UV levels is essential not just for sunburn prevention, but also for maintaining long-term skin health. Situated in a humid subtropical climate, Wuxi experiences higher UV exposure, particularly during peak hours when the index can soar to a staggering 11 around noon. Being informed about daily UV fluctuations helps residents and visitors alike take proactive measures to protect their skin while enjoying the vibrant outdoor activities that Wuxi has to offer.

Hourly UV Index in Wuxi

The UV Index today reveals a dynamic pattern of sun exposure throughout the day. Starting at a low 2 at 7:00 AM, the intensity gradually climbs, reaching a moderate 4 by 8:00 AM. As the sun ascends, the index peaks at an impressive 11 around 12:00 PM, signaling an optimal time for sunscreen application. This intensity begins to wane in the afternoon, dropping to 8 at 2:00 PM and further declining to 3 by 4:00 PM. As the day winds down, the UV Index falls dramatically to 0 by 7:00 PM, marking a safe retreat from sun exposure. Stay vigilant and protect your skin during the peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 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	0	low	45 min

Monthly UV Index Trends in Wuxi

The seasonal UV changes indicate a significant increase in UV exposure as the year progresses, with high-risk months being from March to October, where the UV Index reaches as high as 11 (extreme). Specifically, May to August poses the greatest risk, with a burn time of just 10 minutes in direct sunlight. Residents and visitors are advised to take precautionary measures during these months, including wearing protective clothing, sunglasses, and sunscreen to mitigate harmful effects. As the UV Index begins to decline in September, it remains important to stay vigilant until it drops to more moderate levels by December, when the burn time increases to 30 minutes again.

Monthly Maximum UV Index for Wuxi, China

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

The table above highlights how UV exposure in Wuxi 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.

Wuxi'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
Wuxi	5	6	9	10	11	11	11	11	10	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