UV Index in Niikappu, Japan

Last updated: July 2, 2025

In Niikappu, Japan, awareness of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. Nestled in a Dfb climate zone, Niikappu experiences varying UV exposure throughout the day, with peak levels reaching 10 between 11:00 AM and 12:00 PM. By keeping an eye on the UV Index, residents and visitors can take appropriate precautions, ensuring fun in the sun without the risks!

Hourly UV Index in Niikappu

The hourly UV Index paints a clear picture of the day's intensity from morning to evening. Starting at a mild 3 at 7:00 AM, the day warms up quickly, peaking at a robust 10 between 11:00 AM and 12:00 PM—the perfect time to seek shelter or apply sunscreen. After that fleeting high, the UV Index gradually declines, dropping to 4 by 3:00 PM and further diminishing to 1 by 5:00 PM. As the sun sets, the UV levels plummet to a safe 0 by 7:00 PM. This data underscores the importance of protecting your skin during peak hours, especially 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	3	moderate	30 min
08:00	5	moderate	30 min
09:00	7	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Niikappu

Throughout the year, seasonal UV changes present varying levels of risk for sun exposure. The high-risk months are from April to September, with June, July, and August experiencing peak UV Index levels of 10, categorized as very high, where the burn time is dramatically reduced to just 15 minutes. In contrast, UV exposure is at its lowest during January and December, with an index of 2 and a burn time of 45 minutes. Visitors and residents are advised to use sun protection measures such as sunscreen, hats, and sunglasses during high-risk months, especially between April and September, to minimize skin damage and health risks associated with excessive UV exposure.

Monthly Maximum UV Index for Niikappu, Japan

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

The table above highlights how UV exposure in Niikappu 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.

Niikappu'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
Niikappu	2	3	5	8	9	10	10	10	8	6	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