UV Index in Yasugicho, Japan

Last updated: May 3, 2025

In Yasugicho, Japan, understanding the UV Index is vital for protecting your skin and overall health. During the warmer months, UV levels can soar, peaking at 10 around midday, which significantly increases the risk of sunburn and long-term skin damage. With a Cfa climate, characterized by hot summers, residents and visitors alike should stay informed about daily UV exposure risks to ensure safe outdoor activities. By keeping an eye on the UV Index, you can enjoy the sun’s rays responsibly while safeguarding your skin’s well-being.

Hourly UV Index in Yasugicho

The UV Index throughout the day showcases a dynamic pattern of sun exposure. Starting gently at 07:00 with a UV Index of 2, it climbs steadily, peaking at 11:00 with a strong 10, indicating that it's essential to take sun safety precautions. The intensity remains high until 13:00, ensuring ample time for outdoor activities, but then the index begins to decline. By 15:00, it drops to 5, and as the sun sets, it falls to a softer 1 by 18:00. This data highlights the importance of sunscreen and protective measures during the peak midday hours when UV radiation is at its most potent.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Yasugicho

Throughout the year, UV exposure significantly varies, peaking during the summer months of June through August, when the UV Index reaches extreme levels between 11 and 12 and the burn time drops to just 10 minutes. The high-risk months are particularly from April to September, where UV levels rise to very high to extreme values, requiring heightened awareness for sun protection. Visitors and residents should adopt protective measures, such as wearing sunscreen, hats, and sunglasses, especially during the peak UV hours from 10 a.m. to 4 p.m. Conversely, the winter months from December to February present a lower risk with a UV Index between 3 and 5. Although the risk decreases, it's still important to remain cautious, as UV radiation can still cause skin damage even on cloudy days.

Monthly Maximum UV Index for Yasugicho, Japan

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

The table above highlights how UV exposure in Yasugicho 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.

Yasugicho'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
Yasugicho	4	5	7	10	10	11	12	11	10	7	5	3
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