UV Index in Xiwu, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Xiwu, China, where exposure to harmful ultraviolet rays can vary throughout the day. By familiarizing yourself with UV levels, you can effectively protect your skin from sunburn and long-term health risks. With Xiwu's humid subtropical climate, intense sun exposure is common, especially between late morning and early afternoon when the UV Index peaks at a significant 10. Stay informed to enjoy the beautiful outdoors while safeguarding your skin!

Hourly UV Index in Xiwu

As the day unfolds, the UV Index reveals a dynamic pattern that encourages cautious sun exposure. Starting gently at 1 at 07:00, the intensity slowly climbs to a moderate 2 by 08:00. However, the real ascent begins at 09:00, when the index reaches 4. The peak occurs between 12:00 and 13:00, with an impressive 10, indicating a high risk of harm from unprotected sun exposure. Following this peak, the UV levels gradually decline, dipping to 9 at 14:00 and then decreasing further to 3 by 17:00. As evening approaches, the UV Index wanes to 1 by 18:00 and 19:00, emphasizing the importance of smart sun safety, especially during the midday hours when the sun's rays are most potent.

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	7	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	5	moderate	30 min
17:00	3	moderate	30 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