UV Index in Minamiawaji, Japan

Last updated: June 2, 2025

Understanding the UV Index in Minamiawaji, Japan is crucial for safeguarding your skin and overall health. The UV Index is a vital tool for measuring solar UV radiation levels, helping residents and visitors alike prevent sunburn and long-term skin damage. With a climate classified as Cfa, Minamiawaji experiences significant UV exposure, particularly during peak hours around midday when the index can soar to a staggering 11. Being aware of these levels allows you to take the necessary precautions, ensuring safe enjoyment of the beautiful outdoors while protecting your skin from harmful rays.

Hourly UV Index in Minamiawaji

As the sun rises, the UV Index begins at a mild 2 at 07:00, gradually escalating to a moderate 4 by 08:00. By 09:00, awareness becomes crucial as the index climbs to 6. The sun reaches its peak intensity at 12:00 with a notable 11, indicating high risk for sun exposure. Fortunately, after 1 PM, the index starts to decline, reaching 8 at 14:00, then gradually dropping to 6 by 15:00. The late afternoon brings relief with values of 3 at 16:00 and cooling further to 1 by 18:00 and 19:00. It's essential to take protective measures during the peak hours, particularly between 10 AM and 2 PM, to safeguard your skin from harmful UV rays.

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	10	very high	15 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	1	low	45 min

Monthly UV Index Trends in Minamiawaji

Throughout the year, the UV index experiences significant fluctuations, indicating varying levels of sun exposure risk. High-risk months are primarily from March to September, where UV indexes peak at 11 or 12, signaling extreme exposure levels and necessitating caution. Residents and visitors should be particularly vigilant during these months, with recommended burn times dropping to as low as 10 minutes in peak summer months. In contrast, the winter months of January, February, November, and December see moderate UV levels (index 4-5), with more manageable burn times of 30 minutes. To ensure safety, it’s advisable for individuals to wear protective clothing, apply sunscreen, and seek shade during peak UV hours, especially from late spring through early fall.

Monthly Maximum UV Index for Minamiawaji, Japan

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

The table above highlights how UV exposure in Minamiawaji 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.

Minamiawaji'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
Minamiawaji	4	5	8	11	11	11	12	11	10	7	5	4
Osaka UVI	4	6	8	11	11	11	12	11	10	7	5	3