UV Index in Xiwu, China

Last updated: August 1, 2025

Understanding the UV Index in Xiwu, China is essential for maintaining skin health and preventing sunburn. With UV levels peaking at a striking 11 around midday, knowledge of these values empowers residents and visitors alike to take necessary precautions during peak sun hours. Xiwu benefits from a Cwa climate, featuring a mix of seasonal variability that can influence daytime UV exposure. By staying informed about UV levels, you can enjoy the sun safely while protecting your skin from potential harm.

Hourly UV Index in Xiwu

As the sun rises, the UV Index begins steadily climbing, starting at a mere 1 at 7:00 AM. By 9:00 AM, it reaches a moderate 4, signaling more intense rays ahead. The peak arrives right at 12:00 PM, where the UV Index hits a sizzling 10, followed closely by a high of 11 at 1:00 PM—perfect times to seek shade and protect your skin. As the afternoon progresses, the numbers gently descend, dipping to 8 at 3:00 PM and eventually falling back to 1 by 7:00 PM. This hourly data paints a clear picture: mid-day offers the strongest sun exposure, making sun safety paramount during those crucial hours. Enjoy the sun, but stay protected!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	9	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	1	low	45 min

Monthly UV Index Trends in Xiwu

As the seasons change, the UV Index exhibits significant variations, highlighting periods of increased sun exposure that pose a higher risk of skin damage. From March through September, the UV Index peaks, especially in May and July with an extreme index of 11, necessitating vigilant sun safety measures. April and June also present very high levels, with indices of 9 and 10 respectively. Visitors and residents should take extra precautions during these high-risk months by seeking shade, wearing protective clothing, and applying sunscreen diligently. Outside of these peak periods, January, February, November, and December feature moderate levels, with a more manageable burn time of 30 minutes. However, even during these months, sunscreen is recommended to protect against harmful UV rays.

Monthly Maximum UV Index for Xiwu, China

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

The table above highlights how UV exposure in Xiwu 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.

Xiwu'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
Xiwu	3	5	7	9	11	10	11	10	9	7	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