UV Index in Kertai, China

Last updated: June 2, 2025

In Kertai, China, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. With the region's typical Dwa climate, characterized by distinct seasons and varying UV exposure, understanding the daily UV levels can help residents prevent sunburn and maintain skin health. As the sun's intensity peaks with a UV Index reaching up to 8 during midday, it's essential to take precautions. By staying informed about UV levels, Kertai inhabitants can enjoy the sun safely, ensuring their outdoor activities don’t compromise their long-term skin health.

Hourly UV Index in Kertai

As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it reaches 4, hinting at the day's potential for sun exposure. The peak occurs around 11:00 AM and 12:00 PM, where the index hits a robust 8, signaling that sun protection is essential during these hours. The afternoon sees a slight decline, with readings at 6 and 4 from 1:00 PM to 3:00 PM, before tapering off to a soft 2 by the end of the day. As the sun sets, the index drops to the lowest points of 1 at 6:00 PM and 7:00 PM, making the late evening safe for a stroll under the fading light.

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	6	high	25 min
10:00	7	high	25 min
11:00	8	very high	15 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Kertai

The UV Index exhibits considerable seasonal variation, with the highest readings occurring during the summer months of June, July, and August, where the index reaches 8, categorized as very high and resulting in a burn time of just 15 minutes. The spring months, notably April and May, also show elevated values at 6 and 7 respectively, indicating high exposure risk. Conversely, the winter months (January, February, and November to December) experience significantly lower UV levels, ranging from 1 to 3, suggesting minimal risk. Visitors and residents are advised to remain vigilant during the peak summer months and during spring, ensuring proper sun protection measures such as sunscreen, hats, and protective clothing. In contrast, the low UV months offer a more relaxed approach to sun safety.

Monthly Maximum UV Index for Kertai, China

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

The table above highlights how UV exposure in Kertai 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.

Kertai'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
Kertai	2	3	4	6	7	8	8	8	6	4	2	1
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
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