June Weather in Rumoi, Japan

Last updated: August 23, 2025

In June, the average temperature in Rumoi, Japan hovers around 15°C (59°F), with daily variations ranging from a minimum of 4°C (39°F) to a comfortable maximum of 24°C (76°F). Expect 94 mm (3.7 in) of precipitation spread over 12 days, contributing to an average humidity level of 87%. Prepare for a moist yet mild climate during this time!

June Temperature in Rumoi

In June in Rumoi, the average temperature is 15°C (59°F). The maximum can reach 24°C (76°F), while the minimum can drop to as low as 4°C (39°F). This pleasant climate makes Rumoi an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates June temperature patterns in Rumoi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rumoi, June typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F) and lows dropping to around 4°C (39°F).

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

June Precipitation in Rumoi

In Rumoi in June, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

June Precipitation Trends in Rumoi

The chart displays monthly precipitation patterns in Rumoi, 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 Rumoi, June typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 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 Rumoi

In Rumoi in June, humidity is 87%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket, making traveling uncomfortable as the air feels thick and stifling, often leaving you feeling hot and sticky even when the temperature isn't too high.

June Average Humidity in Rumoi

This chart illustrates the average monthly humidity levels in Rumoi, 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 Rumoi is approximately 87%, 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 Rumoi

In Rumoi in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rumoi.

Maximum UV Index Levels in Rumoi for June

The chart shows the monthly maximum UV Index (UVI) for Rumoi 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 Rumoi typically reaches 9, which falls under the very high exposure category.

Data source: Rumoi 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 Rumoi Compares to Other Months

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

This table compares monthly weather conditions in Rumoi, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (22°F)	70 mm (2.8 inches)	84%	low
February Weather	-4°C (24°F)	84 mm (3.3 inches)	83%	moderate
March Weather	0°C (33°F)	84 mm (3.3 inches)	81%	moderate
April Weather	6°C (42°F)	67 mm (2.6 inches)	81%	high
May Weather	11°C (52°F)	89 mm (3.5 inches)	86%	very high
June Weather	15°C (59°F)	94 mm (3.7 inches)	87%	very high
July Weather	21°C (69°F)	103 mm (4.0 inches)	93%	very high
August Weather	21°C (70°F)	171 mm (6.7 inches)	95%	very high
September Weather	18°C (64°F)	90 mm (3.6 inches)	88%	very high
October Weather	12°C (53°F)	147 mm (5.8 inches)	83%	moderate
November Weather	5°C (41°F)	152 mm (6.0 inches)	79%	moderate
December Weather	-2°C (28°F)	132 mm (5.2 inches)	80%	low