UV Index in Onsu, China

Last updated: July 2, 2025

Understanding the UV Index in Onsu, China is crucial for protecting your skin and maintaining overall health. With peak UV levels reaching as high as 10, awareness of these readings can prevent sunburn and reduce long-term skin damage. Onsu's semi-arid climate brings intense sun exposure, particularly during midday hours. By staying informed about UV levels and taking necessary precautions, residents and visitors alike can enjoy the sun safely while safeguarding their skin health.

Hourly UV Index in Onsu

As the sun rises, the UV Index gradually climbs, starting at a modest 1 at 7:00 AM and reaching an energetic 2 by 8:00 AM. The intensity escalates quickly, peaking at a robust 10 between 12:00 PM and 1:00 PM—the ideal time to take extra sun safety precautions! By 2:00 PM, the index begins its gentle decline, settling to 9 at 2:00 PM, and gradually tapering off to a more manageable 3 by 5:00 PM. As evening approaches, the index dwindles to 1 by 6:00 PM, allowing for a calm end to the day. Remember, during peak hours, it’s crucial to protect your skin to enjoy the sunshine safely!

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	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 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 Onsu

Throughout the year, UV exposure levels exhibit significant seasonal variations. January and December have the lowest UV Index values (2), indicating low exposure risk, with a burn time of 45 minutes. In February, the UV Index increases to 4, presenting a moderate risk and a reduced burn time of 30 minutes. As spring arrives, the UV Index escalates dramatically, peaking at 10 during the summer months of May through August, categorized as very high, with a burn time of just 15 minutes. April and September also pose a high risk with an index of 8. Residents and visitors should take precautions during the high-risk months of March through September, using sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest. This proactive approach will help mitigate the risk of overexposure to harmful UV rays.

Monthly Maximum UV Index for Onsu, China

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

The table above highlights how UV exposure in Onsu 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.

Onsu'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
Onsu	2	4	7	8	10	10	10	10	8	5	3	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