UV Index in Rui'an, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Rui'an, China, where the sun's intensity can pose significant risks to skin health, especially during the peak hours of exposure. With UV levels soaring to a maximum of 13 around noon, a comprehensive awareness of these levels can help prevent painful sunburn and long-term skin damage. Rui'an's Cfa climate, characterized by its warm summers and ample sunshine, means that safeguarding oneself from harmful UV rays is essential. Stay informed and protect your skin by checking the UV Index regularly!

Hourly UV Index in Rui'an

As dawn breaks, the UV Index begins its journey, starting at a modest 2 at 7:00 AM. By 8:00 AM, it steadily climbs to 4, signaling the approach of stronger rays. The sun reaches its peak intensity at noon, soaring to a remarkable 13. From 11:00 AM to 1:00 PM, the index remains alarmingly high, maxing out at 12 and then gradually declining in the afternoon. By 3:00 PM, it drops to 6 and continues to wane, arriving at a gentle 1 by 5:00 PM. As the day winds down, the UV Index falls to zero by 7:00 PM, presenting a safe reprieve from the sun's rays. Remember to protect your skin during those peak hours when the sun's strength is at its highest!

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	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Rui'an

The UV Index experiences significant variation throughout the year, peaking during the summer months. Notably, April to September represent the high-risk period for UV exposure, with indices reaching extreme levels of 11 to 13, indicating an urgent need for protection as burn times drop to just 10 minutes. February and March also pose high risks, categorized as very high, with burn times of 15 minutes. In contrast, the winter months, from November to January, show lower UV levels, moving from high to moderate, allowing for more extended exposure times. Visitors and residents are advised to take precautionary measures, especially from April to September, by applying sunscreen, wearing protective clothing, and seeking shade to minimize skin damage.

Monthly Maximum UV Index for Rui'an, China

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

The table above highlights how UV exposure in Rui'an 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.

Rui'an'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
Rui'an	6	8	10	11	12	12	13	12	11	9	7	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