UV Index in Ouda, Japan

Last updated: July 2, 2025

Awareness of the UV Index is crucial for residents and visitors in Ouda, Japan, where exposure to ultraviolet rays can significantly impact your skin health. Understanding UV levels throughout the day helps in preventing sunburn and reducing long-term risks associated with skin damage. Ouda's Cfa climate brings warm summers, leading to peak UV levels that can reach as high as 12 around midday. Being informed about these exposure risks allows you to take proactive measures to protect yourself while enjoying the beautiful outdoor activities that Ouda has to offer.

Hourly UV Index in Ouda

The UV Index climbs sharply as the day progresses, starting from a gentle 2 at 07:00 and peaking at a striking 12 between 11:00 and 12:00. This midday intensity indicates a significant risk of harm from unprotected sun exposure. As afternoon fades into evening, the index gradually decreases, dropping to 9 at 14:00, then settling at 6 by 15:00, and dwindling to 1 by 18:00. Finally, it reaches a 0 level by 19:00, making late evening a safer time to enjoy outdoor activities. Be sure to take precautions during peak hours to protect your skin from potential damage!

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	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Ouda

Throughout the year, UV exposure levels vary significantly, with the highest risks typically occurring in the late spring to summer months. From April through August, the UV Index reaches extreme levels of 11 to 12, indicating that even short exposure (as little as 10 minutes) can result in skin damage. The highest-risk months are April, May, June, July, and August, where it's crucial for both visitors and residents to take protective measures such as wearing sunscreen, hats, and protective clothing. As summer transitions to fall, UV levels begin to decline, with an Index of 10 in September, followed by 7 in October and 6 in November. Visitors and residents should remain vigilant, especially during these peak months, to ensure their safety and well-being under the sun. In the winter months (December and January), the UV Index drops to 4, indicating a moderate risk, allowing for longer burn times of 30 minutes.

Monthly Maximum UV Index for Ouda, Japan

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

The table above highlights how UV exposure in Ouda 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.

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