UV Index in Wuxi, China

Last updated: July 2, 2025

Understanding the UV Index in Wuxi, China is crucial for protecting your skin and maintaining overall health in this vibrant city. With the region's Cfa climate, characterized by hot, humid summers, residents and visitors alike need to be aware of the daily fluctuation of UV levels—especially during peak hours between 10:00 AM and 2:00 PM when the index reaches its maximum of 11. By grasping the significance of the UV Index, you can prevent sunburn and long-term skin damage, ensuring that outdoor activities can be enjoyed safely. Be proactive about your sun exposure to make the most of Wuxi's beautiful sunny days while keeping your skin healthy!

Hourly UV Index in Wuxi

As the day unfolds, the UV Index rises sharply, peaking between 11:00 AM and 12:00 PM at an intense 11, signaling the need for sun protection. Early morning hours start relatively low, with values of 2 at 7:00 AM and escalating to a moderate 3 by 8:00 AM. The index then surges, hitting 6 by 9:00 AM and soaring to 9 at 10:00 AM. After reaching its zenith, the UV exposure begins to decline in the afternoon, tapering to 8 at 2:00 PM, followed by a gentle descent from 6 at 3:00 PM to 1 by 6:00 PM. Finally, the UV Index dips to a safe 0 at 7:00 PM, as the sun sets and the risk of UV radiation diminishes. Stay protected during the peak hours to enjoy the sun safely!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 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