UV Index in Keyi, China

Last updated: July 2, 2025

Understanding the UV Index in Keyi, China is crucial for safeguarding your skin against harmful ultraviolet rays. With peak UV levels reaching as high as 11 around midday, awareness of these fluctuations helps prevent sunburn and long-term skin damage. Keyi's dry climate (BWk) can lead to increased sun exposure, making it essential to stay informed and take protective measures during the sun's strongest hours. Embrace the sunshine while ensuring your skin stays healthy and protected!

Hourly UV Index in Keyi

Starting from 7:00 AM, the UV Index begins its gradual ascent, peaking at a maximum of 11 during the sunniest hours at 12:00 PM and 1:00 PM. As the day unfolds, the intensity of ultraviolet radiation surges, reaching a notable 9 by 11:00 AM and 8 by 10:00 AM. However, after 1:00 PM, the UV Index starts to decline, dropping to 9 at 2:00 PM and gradually tapering off to 3 by 5:00 PM. By 6:00 PM, it further dwindles to a mild 1, signaling a significant reduction in sun intensity as daylight fades. For those venturing outside, it's crucial to take precautions during the peak hours between 10:00 AM and 2:00 PM when UV exposure 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 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 Keyi

Throughout the year, UV Index levels fluctuate significantly, with the highest readings occurring from May to August, where UV exposure is classified as extreme and the burn time is as low as 10 minutes. The months of March and April also present high risks with a very high UV Index, necessitating caution with burn times of 15 minutes. Visitors and residents are advised to take protective measures during these high-risk months, including wearing protective clothing, using sunscreen, and seeking shade during peak sun hours. Conversely, December sees the lowest UV Index at 2, allowing for a more relaxed approach to sun exposure with a burn time of 45 minutes. Overall, understanding these seasonal UV changes is crucial for maintaining skin health throughout the year.

Monthly Maximum UV Index for Keyi, China

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

The table above highlights how UV exposure in Keyi 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.

Keyi'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
Keyi	3	5	10	9	11	11	11	11	8	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
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