UV Index in Fukuchiyama, Japan

Last updated: June 2, 2025

Understanding the UV Index in Fukuchiyama, Japan, is essential for safeguarding your skin from the potentially harmful effects of ultraviolet radiation. With the region's Cfa climate characterized by warm summers, residents and visitors alike need to be aware of varying UV levels throughout the day to effectively prevent sunburn and promote long-term skin health. Notably, during the peak hours from 10 AM to 2 PM, UV Index values soar, reaching a maximum of 11, which signals a high risk for skin damage. By staying informed on the UV Index, you can enjoy the outdoors while protecting your skin from damaging rays.

Hourly UV Index in Fukuchiyama

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 Fukuchiyama

Throughout the year, UV radiation levels vary significantly, with the highest exposure typically occurring from May to August. During this period, the UV Index reaches extreme levels (11-12), resulting in a rapid burn time of only 10 minutes. Visitors and residents should take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. March and April also present high-risk months with a UV Index of 8-10, where burn times decrease to 15 minutes. As the year progresses, the UV Index declines, with November and December offering moderate levels with burn times of 30 minutes. To ensure safety, it is essential to remain vigilant about UV exposure, especially during the summer months.

Monthly Maximum UV Index for Fukuchiyama, Japan

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

The table above highlights how UV exposure in Fukuchiyama 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.

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