June Weather in Isen, Japan

Last updated: August 23, 2025

In June, the average temperature in Isen, Japan is a pleasant 26°C (78°F), with daily highs reaching up to 28°C (83°F) and lows dropping to 21°C (70°F). Expect significant rainfall, with about 456 mm (17.9 in) spread over 20 days, contributing to an average humidity of 86%.

June Temperature in Isen

In June in Isen, the average temperature is 26°C (78°F). Maximums can reach 28°C (83°F), while minimums can drop to as low as 21°C (70°F). This pleasant climate makes Isen an ideal destination for travelers seeking warmth and comfort during their visit.

June Weather in Isen: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Isen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isen, June typically has an average temperature of 26°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 21°C (70°F).

Data source: Temperature data for Isen generated using information from the Copernicus Climate Change Service.

June Precipitation in Isen

In Isen in June, the precipitation amount is 456 mm (17.9 in) over the course of 20 days.

June Precipitation Trends in Isen

The chart displays monthly precipitation patterns in Isen, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Isen, June typically receives around 456 mm (17.9 inches) of precipitation spread over approximately 20 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Isen

In Isen in June, humidity is 86%. With an average temperature of 26°C (78°F), this humidity feels like an overwhelming blanket that clings to your skin, making any outdoor activity feel more strenuous and causing you to seek shade and refreshment more often during your travels.

June Average Humidity in Isen

This chart illustrates the average monthly humidity levels in Isen, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Isen is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Isen

In Isen in June, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Isen.

Maximum UV Index Levels in Isen for June

The chart shows the monthly maximum UV Index (UVI) for Isen in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Isen typically reaches 13, which falls under the extreme exposure category.

Data source: Isen June UVI data generated using 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.

How June Weather in Isen Compares to Other Months

Weather in Isen varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Isen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Isen, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	109 mm (4.3 inches)	71%	high
February Weather	17°C (63°F)	117 mm (4.6 inches)	71%	very high
March Weather	19°C (66°F)	153 mm (6.0 inches)	76%	extreme
April Weather	20°C (69°F)	114 mm (4.5 inches)	82%	extreme
May Weather	23°C (74°F)	192 mm (7.5 inches)	84%	extreme
June Weather	26°C (78°F)	456 mm (17.9 inches)	86%	extreme
July Weather	28°C (82°F)	208 mm (8.2 inches)	86%	extreme
August Weather	28°C (83°F)	150 mm (5.9 inches)	82%	extreme
September Weather	28°C (82°F)	211 mm (8.3 inches)	82%	extreme
October Weather	25°C (78°F)	137 mm (5.4 inches)	80%	very high
November Weather	22°C (72°F)	130 mm (5.1 inches)	79%	very high
December Weather	19°C (66°F)	127 mm (5.0 inches)	75%	high