UV Index in Riyue, China

Last updated: May 3, 2025

Understanding the UV Index in Riyue, China is crucial for maintaining skin health and preventing sunburn, especially in a region characterized by its Dwc climate. With UV levels peaking at a staggering 14 between noon and 1 PM, awareness of daily UV exposure is essential for residents and visitors alike. High UV radiation can lead to serious skin damage, making it imperative to monitor these levels. As you enjoy the sun in Riyue, be mindful of the significant risks associated with elevated UV exposure, particularly during the sunniest hours of the day.

Hourly UV Index in Riyue

The UV Index throughout the day presents a dynamic picture of sun intensity, peaking at a critical 14 between 1:00 PM and 2:00 PM. Starting off gently at a mere 1 at 7:00 AM, the index gradually ascends to 2 by 8:00 AM, then surges to 4 by 9:00 AM. As the sun rises higher, it reaches a robust 10 at 11:00 AM and culminates at a sizzling 13 at noon. The late afternoon sees a slight decline, dropping to 11 by 3:00 PM, before tapering down to 2 by 6:00 PM and returning to a restful 1 by 7:00 PM. For those venturing outdoors, the hours from 11:00 AM to 3:00 PM clearly underscore the importance of sun protection!

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	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Riyue

Throughout the year, UV levels exhibit significant seasonal variations. High-risk months for UV exposure are from March to September, where the UV Index reaches very high to extreme levels, peaking at 14 during May, June, and July. In these months, the burn time is as low as 10 minutes, indicating a critical need for proactive sun protection. Visitors and residents are advised to take precautions during these periods by wearing protective clothing, applying sunscreen, and seeking shade to minimize potential skin damage. Conversely, the winter months of January and December present a much lower risk with a moderate exposure category and a longer burn time of 30 minutes, allowing for somewhat safer outdoor activities. However, it's still essential to remain vigilant about UV exposure year-round.

Monthly Maximum UV Index for Riyue, China

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

The table above highlights how UV exposure in Riyue 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.

Riyue'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
Riyue	4	6	9	12	14	14	14	13	11	9	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