UV Index in Tsuyama, Japan

Last updated: May 3, 2025

In Tsuyama, Japan, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential not only to prevent painful sunburns but also to reduce the long-term risk of skin conditions. With a Cfa climate zone, Tsuyama experiences varied UV exposure throughout the day, peaking at an intense UV Index of 11 around noon. Recognizing these fluctuating levels can empower you to take proactive steps towards safer sun practices and enjoy the beautiful outdoors while minimizing risks to your skin health.

Hourly UV Index in Tsuyama

As the day unfolds, the UV Index experiences a significant rise, starting at a mild 2 by 07:00. By 09:00, it ramps up to a moderate 6, but the real peak hits at 12:00 with an intense 11, signaling the need for sun protection. The intensity slightly tapers off in the afternoon, dropping to 5 by 15:00, before retreating to a gentle 1 by 18:00. Finally, as the sun sets at 19:00, the UV Index fades away to 0—a clear reminder of how the sun’s rays can vary throughout the day. Stay vigilant and enjoy the sunshine responsibly!

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	11	extreme	10 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	0	low	45 min

Monthly UV Index Trends in Tsuyama

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months typically from April to August, when values peak at 11-12 and fall into the extreme exposure category. Notably, July and August record the highest UV levels, necessitating diligent sun protection strategies. In contrast, the lower risk period spans from November to February, where the UV Index varies between 3 and 6, indicating moderate to high exposure. Visitors and residents are advised to take extra precautions during the high-risk months by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of skin damage.

Monthly Maximum UV Index for Tsuyama, Japan

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

The table above highlights how UV exposure in Tsuyama 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.

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