UV Index in Rui'an, China

Last updated: June 2, 2025

Understanding the UV Index in Rui'an, China is essential for protecting your skin and overall health. The UV Index provides crucial information about the intensity of ultraviolet radiation on any given day, helping residents and visitors alike make informed decisions to prevent sunburn and reduce long-term skin damage. Rui'an's Cfa climate typically boasts ample sunshine, leading to varying UV exposure risks throughout the day, peaking at an alarming 12 around noon. By staying aware of the UV Index, you can enjoy the beautiful weather while safeguarding your skin and ensuring your outdoor activities are both fun and safe.

Hourly UV Index in Rui'an

The UV Index provides a vital insight into sun exposure throughout the day, peaking during the late morning to early afternoon hours. At 07:00, it starts off low at 2, but by 08:00, it rises to 4, indicating increasing sun intensity. The real surge happens between 09:00 and 12:00, where it climbs dramatically to a maximum of 12 at 11:00 and 12:00. As the sun begins to dip after 13:00, the index gradually decreases to 11 at 1 PM and gently tapers off to 9 at 2 PM. By 3 PM, it continues to decline to 6, and by the evening, it reaches a minimal 1 at both 5 PM and 6 PM, finally falling to 0 by 7 PM. This hourly breakdown urges us to protect our skin during the peak hours, especially when the index hits its zenith.

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	12	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