UV Index in Chubu, China

Last updated: August 1, 2025

In Chubu, China, staying informed about the UV Index is essential for safeguarding your skin and overall health. The UV Index indicates the strength of ultraviolet (UV) radiation from the sun, helping residents to plan their outdoor activities and protect against sunburn and long-term skin damage. Chubu's Dwb climate features distinct seasons, but during sunny days, UV levels can soar—peaking around noon with an index of 14. Understanding these fluctuations not only aids in sun protection but also promotes healthier skin habits, ensuring you enjoy the region's beautiful outdoor scenery safely!

Hourly UV Index in Chubu

The UV Index rises steadily throughout the morning, starting from a modest 1 at 07:00 and climbing to a significant 14 at 13:00, making midday the peak period for sun exposure. This highlights a critical time for sun safety, as levels reach a maximum of 13 at noon. As the afternoon rolls in, the index begins to decline, landing at 5 by 17:00 and tapering to 1 by 19:00, suggesting a safer environment for outdoor activities later in the day. It’s essential to stay vigilant around midday when UV rays are at their strongest!

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	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chubu

Throughout the year, the UV Index displays significant seasonal variations that pose differing risks for exposure. The high-risk months typically span from February to September, peaking in April, May, and June with an extreme UV Index of 15, where the burn time is as short as 10 minutes. March also presents a high risk with a very high UV Index of 10. In contrast, January and December are relatively safer with moderate UV levels. Visitors and residents are advised to take essential precautions during the peak months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Chubu, China

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

The table above highlights how UV exposure in Chubu 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.

Chubu'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
Guangzhou UVI	7	9	11	12	13	13	13	12	11	10	9	7
Chubu	5	7	10	15	15	15	14	14	12	10	7	4
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7