UV Index in Nikaho, Japan

Last updated: May 3, 2025

Understanding the UV Index in Nikaho, Japan is crucial for maintaining skin health and preventing sunburn, especially during peak summer months. As residents of this Cfa climate zone enjoy a temperate climate with ample sunshine, being aware of UV levels can significantly reduce the risk of skin damage. With UV Index readings reaching as high as 9 around noon, it is essential to know when to seek shade or apply sunscreen to protect your skin from harmful ultraviolet rays and enjoy the beautiful outdoors safely.

Hourly UV Index in Nikaho

As the sun rises, the UV Index begins its ascent, peaking at 11:00 AM and 12:00 PM with a blistering 9. The day starts gently, with 07:00 AM registering a modest 2, but by 09:00 AM, it climbs to a moderate 6. The intensity escalates, hitting 8 at 10:00 AM and reaching its zenith shortly after noon. After this peak, the index gradually dips, easing down to 6 by 2:00 PM, before falling further to 4 at 3:00 PM. As evening approaches, the UV radiation wanes significantly, dropping to 2 by 4:00 PM and near zero after sunset, signaling a shift in the skies. Remember to protect your skin during those peak hours!

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	8	very high	15 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 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 Nikaho

As the seasons change, so do the UV levels, with significant peaks occurring during the summer months. From March to August, the UV Index escalates from a moderate level of 6 in March to an extreme level of 11 in August, indicating a heightened risk for skin damage. April through September represents the high-risk months where the UV Index is categorized as very high to extreme, with burn times decreasing to as little as 10 minutes in August. To safeguard against harmful UV exposure, it is crucial for both visitors and residents to practice sun safety during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly, even on cloudy days. In contrast, the UV Index drops back to a moderate level of 4 in February and 3 during January and December, suggesting lower risk during these winter months.

Monthly Maximum UV Index for Nikaho, Japan

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

The table above highlights how UV exposure in Nikaho 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.

Nikaho'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
Nikaho	3	4	6	8	9	10	10	11	9	6	4	3
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