UV Index in Kanaura, Japan

Last updated: May 3, 2025

Understanding the UV Index in Kanaura, Japan is essential for maintaining skin health and preventing sunburn, especially during the peak summer months when UV exposure can be high. With a climate classified as Dfb, Kanaura experiences significant seasonal variations that contribute to fluctuating UV levels. On sunny days, the UV Index can rise to an alarming 8 around midday, making it crucial for residents and visitors alike to be mindful of sun safety practices. By being aware of the UV Index, you can protect your skin and enjoy the outdoors with confidence, minimizing risks associated with harmful ultraviolet rays.

Hourly UV Index in Kanaura

The UV Index analysis reveals a striking pattern throughout the day. Starting at 07:00 with a manageable level of 3, the intensity of ultraviolet radiation escalates, peaking at 11:00 and 12:00, where it reaches a high of 8. After this midday zenith, the UV Index begins to decline, dropping to 7 by 13:00 and gradually tapering off to 4 at both 14:00 and 15:00. By the late afternoon, it dwindles further to 2 at 16:00, before settling to a safe 1 by 17:00 and 18:00, ultimately reaching 0 by 19:00. This data underscores the importance of sun protection during the peak hours, especially between 10:00 and 14:00, when UV exposure can be most harmful.

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	3	moderate	30 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	5	moderate	30 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Kanaura

As the seasons change, so too does the UV Index, which reflects the intensity of ultraviolet radiation. The high-risk months for UV exposure are from May to August, where the Index reaches very high levels of 8 to 9, with a significantly shorter burn time of just 15 minutes. In contrast, the winter months of January and December present a low UV Index of 2, allowing for longer burn times of 45 minutes. Residents and visitors are advised to take precautions during peak UV months by wearing protective clothing, applying sunscreen, and seeking shade during the sun's peak hours to mitigate the risk of skin damage.

Monthly Maximum UV Index for Kanaura, Japan

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

The table above highlights how UV exposure in Kanaura 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.

Kanaura'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
Kanaura	2	3	5	6	8	9	9	9	7	5	3	2
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