June Weather in Saku, Japan

Last updated: August 23, 2025

In Saku, Japan, the average temperature in June hovers around 18°C (65°F), with a minimum of 8°C (46°F) and a maximum reaching 29°C (85°F). During this time, expect an average precipitation amount of 193 mm (7.6 in) spread over 20 days, coupled with a high average humidity of 88%.

June Temperature in Saku

In June in Saku, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 8°C (46°F). This pleasant range makes it an ideal time for travel, allowing for comfortable exploration and outdoor activities.

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

The chart illustrates June temperature patterns in Saku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saku, June typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (46°F).

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

June Precipitation in Saku

In Saku in June, the precipitation amount is 193 mm (7.6 in) spread over a total of 20 days.

June Precipitation Trends in Saku

The chart displays monthly precipitation patterns in Saku, 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 Saku, June typically receives around 193 mm (7.6 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 Saku

In Saku in June, humidity is 88%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sticky and the air thick, which can be quite tiring when exploring the area.

June Average Humidity in Saku

This chart illustrates the average monthly humidity levels in Saku, 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 Saku 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 Saku

In Saku in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Saku.

Maximum UV Index Levels in Saku for June

The chart shows the monthly maximum UV Index (UVI) for Saku 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 Saku typically reaches 11, which falls under the extreme exposure category.

Data source: Saku 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 Saku Compares to Other Months

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

This table compares monthly weather conditions in Saku, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	48 mm (1.9 inches)	88%	moderate
February Weather	1°C (33°F)	49 mm (1.9 inches)	86%	high
March Weather	5°C (41°F)	106 mm (4.2 inches)	81%	very high
April Weather	9°C (49°F)	105 mm (4.1 inches)	78%	very high
May Weather	15°C (59°F)	142 mm (5.6 inches)	81%	extreme
June Weather	18°C (65°F)	193 mm (7.6 inches)	88%	extreme
July Weather	22°C (72°F)	287 mm (11.3 inches)	92%	extreme
August Weather	23°C (75°F)	190 mm (7.5 inches)	92%	extreme
September Weather	19°C (66°F)	185 mm (7.3 inches)	89%	very high
October Weather	13°C (56°F)	253 mm (9.9 inches)	87%	high
November Weather	7°C (45°F)	38 mm (1.5 inches)	85%	moderate
December Weather	2°C (36°F)	50 mm (2.0 inches)	86%	moderate