UV Index in Jiangnan, China

Last updated: June 2, 2025

In Jiangnan, China, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the UV levels can help residents and visitors alike protect themselves from harmful rays, especially during peak hours when the index soars to 12—indicating a very high risk of harm from unprotected sun exposure. With a Cfa climate that brings warm summers and moderate sunlight, Jiangnan's typical UV exposure presents a significant risk, making it essential to stay informed and take necessary precautions under the sun. Embrace safety and enjoy the beautiful outdoors by being UV-aware!

Hourly UV Index in Jiangnan

The UV Index today shows a dynamic pattern of sun intensity as the day unfolds. Starting off at a mild 2 at 7:00 AM, the index climbs steadily, reaching a moderate 4 by 8:00 AM. As the sun rises higher, UV levels soar to 7 at 9:00 AM, peaking at a sizzling 12 at noon, indicating a high risk of harm from unprotected sun exposure. Following the peak, the index gradually declines, dropping to 8 by 2:00 PM and then further to 3 by 4:00 PM, before settling back into the safe zone with a low 1 at 6:00 PM. As twilight approaches, the UV Index drops to 0 by 7:00 PM, emphasizing the importance of sun protection during the day's 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	7	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 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 Jiangnan

Throughout the year, UV exposure fluctuates significantly, peaking during the warmer months. The highest risk months are from May to September, where the UV Index reaches an extreme level of 12, allowing for a burn time of just 10 minutes. As spring arrives, March and April see a very high UV Index of 10, with a burn time of 15 minutes. While January and February present high UV levels of 6 and 7, the burn time remains manageable at 25 minutes. As fall approaches, October's UV Index drops to 8 and the burn time increases again to 15 minutes. It’s advisable for both visitors and residents to take precautions during peak months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risk of skin damage.

Monthly Maximum UV Index for Jiangnan, China

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

The table above highlights how UV exposure in Jiangnan 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.

Jiangnan'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
Jiangnan	6	7	10	10	12	12	12	12	11	8	6	5
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