June Weather in Tomamae, Japan

Last updated: August 23, 2025

In Tomamae, Japan, the average temperature in June hovers around 15°C (59°F), with lows dipping to 6°C (42°F) and highs reaching up to 25°C (76°F). Expect 87 mm (3.4 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 88%.

June Temperature in Tomamae

In June in Tomamae, the average temperature is 15°C (59°F). The maximum can reach 25°C (76°F), and the minimum can be as low as 6°C (42°F). This mild weather makes it a great time for outdoor activities and exploring the local attractions.

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

The chart illustrates June temperature patterns in Tomamae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomamae, June typically has an average temperature of 15°C (59°F), with highs reaching up to 25°C (76°F) and lows dropping to around 6°C (42°F).

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

June Precipitation in Tomamae

In Tomamae in June, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

June Precipitation Trends in Tomamae

The chart displays monthly precipitation patterns in Tomamae, 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 Tomamae, June typically receives around 87 mm (3.4 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 Tomamae

In Tomamae in June humidity is 88%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel stifling and sticky, which can drain your energy while traveling.

June Average Humidity in Tomamae

This chart illustrates the average monthly humidity levels in Tomamae, 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 Tomamae is approximately 88%, 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 Tomamae

In Tomamae 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 Tomamae.

Maximum UV Index Levels in Tomamae for June

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

Data source: Tomamae 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 Tomamae Compares to Other Months

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

This table compares monthly weather conditions in Tomamae, 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 (24°F)	67 mm (2.6 inches)	87%	low
February Weather	-4°C (25°F)	80 mm (3.1 inches)	84%	moderate
March Weather	1°C (34°F)	78 mm (3.1 inches)	83%	moderate
April Weather	6°C (43°F)	65 mm (2.6 inches)	84%	high
May Weather	11°C (52°F)	79 mm (3.1 inches)	88%	very high
June Weather	15°C (59°F)	87 mm (3.4 inches)	88%	very high
July Weather	21°C (69°F)	96 mm (3.8 inches)	93%	very high
August Weather	21°C (70°F)	158 mm (6.2 inches)	94%	very high
September Weather	18°C (65°F)	84 mm (3.3 inches)	86%	high
October Weather	12°C (54°F)	150 mm (5.9 inches)	79%	moderate
November Weather	6°C (42°F)	154 mm (6.1 inches)	77%	moderate
December Weather	-1°C (30°F)	124 mm (4.9 inches)	83%	low