UV Index in Kawanoecho, Japan

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Kawanoecho, Japan, as it serves as a guide to protecting your skin from harmful ultraviolet (UV) radiation. With the region's Cfa climate, which features warm summers and mild winters, UV levels can rise significantly, especially during the peak hours of 11:00 AM to 1:00 PM when values can reach a maximum of 11. By monitoring UV levels, you can take proactive steps to prevent sunburn and protect your long-term skin health. Stay informed to enjoy the beautiful outdoor experiences Kawanoecho offers while safeguarding your skin from harmful exposure.

Hourly UV Index in Kawanoecho

The UV Index throughout the day showcases a clear rise and fall in sunlight intensity. Starting at a mild 2 at 07:00, the index gains momentum as the sun climbs higher, peaking at an intense 11 by 11:00 and staying strong till 12:00. From there, it gracefully tapers off, descending to 8 at 14:00, and dropping steadily to a gentle 1 by 18:00. Finally, as evening sets in, the UV Index plummets to 0 by 19:00. It's a vivid reminder to stay protected during those peak hours when the sun is at its 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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Kawanoecho

Throughout the year, UV exposure varies significantly, with the highest risk occurring during the late spring and summer months. From April to August, the UV Index peaks at 11 to 12, representing an extreme exposure category, with a rapid burn time of just 10 minutes. Notably, March and September are also high-risk months, with UV Index levels of 8 and 10, respectively. To protect against harmful UV radiation, it is essential for both visitors and residents to take precautions during these peak months: seek shade, wear protective clothing, and apply broad-spectrum sunscreen regularly, especially between 10 AM and 4 PM. In contrast, during the winter months (January, December), UV levels drop to moderate, offering lower risk for skin damage, with longer burn times of 30 minutes.

Monthly Maximum UV Index for Kawanoecho, Japan

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

The table above highlights how UV exposure in Kawanoecho compares to other major locations across Japan. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Kawanoecho's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sapporo UVI	2	3	6	7	9	9	9	10	8	5	3	2
Yokohama UVI	3	5	8	9	11	11	11	11	10	7	5	4
Tokyo UVI	3	5	8	9	11	11	11	11	10	7	5	4
Nagoya UVI	4	6	8	10	11	11	11	11	10	7	5	3
Osaka UVI	4	6	8	11	11	11	12	11	10	7	5	3
Kawanoecho	4	6	8	11	11	11	12	12	10	7	6	4