June Weather in Shiojiri, Japan

Last updated: August 23, 2025

In June, the average temperature in Shiojiri, Japan is a comfortable 18°C (65°F). Expect a minimum of 5°C (41°F) and a maximum of 29°C (84°F). The region experiences precipitation totaling 149 mm (5.8 in) over about 14 days, with average humidity levels hovering around 88%.

June Temperature in Shiojiri

In June in Shiojiri, the average temperature is 18°C (65°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 5°C (41°F). This pleasant climate makes it a great time to explore and enjoy outdoor activities in Shiojiri.

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

The chart illustrates June temperature patterns in Shiojiri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiojiri, June typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (84°F) and lows dropping to around 5°C (41°F).

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

June Precipitation in Shiojiri

In Shiojiri in June, the precipitation amount is 149 mm (5.8 in) over a period of 14 days.

June Precipitation Trends in Shiojiri

The chart displays monthly precipitation patterns in Shiojiri, 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 Shiojiri, June typically receives around 149 mm (5.8 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Shiojiri

In Shiojiri 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 Shiojiri

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

In Shiojiri 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 Shiojiri.

Maximum UV Index Levels in Shiojiri for June

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

Data source: Shiojiri 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 Shiojiri Compares to Other Months

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

This table compares monthly weather conditions in Shiojiri, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	75 mm (3.0 inches)	76%	moderate
February Weather	-1°C (30°F)	80 mm (3.2 inches)	74%	high
March Weather	4°C (40°F)	141 mm (5.6 inches)	70%	very high
April Weather	9°C (48°F)	143 mm (5.6 inches)	74%	very high
May Weather	15°C (58°F)	155 mm (6.1 inches)	81%	extreme
June Weather	18°C (65°F)	149 mm (5.8 inches)	88%	extreme
July Weather	22°C (72°F)	289 mm (11.4 inches)	93%	extreme
August Weather	23°C (74°F)	151 mm (5.9 inches)	90%	extreme
September Weather	19°C (66°F)	171 mm (6.7 inches)	86%	very high
October Weather	13°C (56°F)	237 mm (9.3 inches)	83%	high
November Weather	7°C (44°F)	66 mm (2.6 inches)	80%	moderate
December Weather	1°C (34°F)	84 mm (3.3 inches)	78%	moderate