June Weather in Koshimizu, Japan

Last updated: August 23, 2025

In June, the average temperature in Koshimizu, Japan hovers around 13°C (56°F), offering a comfortable yet variable climate. Expect minimums of 3°C (37°F) and delightful maximums reaching 26°C (80°F). The region experiences a precipitation of 96 mm (3.8 in) over about 12 days, while the air carries a notable humidity of 88%, adding to the overall ambience.

June Temperature in Koshimizu

In June in Koshimizu, the average temperature is 13°C (56°F). Maximums can reach up to 26°C (80°F), while minimums can drop as low as 3°C (37°F). This variation makes Koshimizu an ideal destination for travelers seeking mild weather and the chance to enjoy outdoor activities.

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

The chart illustrates June temperature patterns in Koshimizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koshimizu, June typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around 3°C (37°F).

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

June Precipitation in Koshimizu

In Koshimizu in June, the precipitation amount is 96 mm (3.8 in) spread over a duration of 12 days.

June Precipitation Trends in Koshimizu

The chart displays monthly precipitation patterns in Koshimizu, 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 Koshimizu, June typically receives around 96 mm (3.8 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 Koshimizu

In Koshimizu in June, humidity is 88%. With an average temperature of 13°C (56°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor adventures sticky and challenging.

June Average Humidity in Koshimizu

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

In Koshimizu 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 Koshimizu.

Maximum UV Index Levels in Koshimizu for June

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

Data source: Koshimizu 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 Koshimizu Compares to Other Months

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

This table compares monthly weather conditions in Koshimizu, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	54 mm (2.1 inches)	84%	low
February Weather	-8°C (19°F)	55 mm (2.2 inches)	83%	moderate
March Weather	-2°C (29°F)	88 mm (3.5 inches)	83%	high
April Weather	4°C (39°F)	72 mm (2.8 inches)	83%	high
May Weather	10°C (50°F)	95 mm (3.7 inches)	86%	very high
June Weather	13°C (56°F)	96 mm (3.8 inches)	88%	very high
July Weather	18°C (64°F)	79 mm (3.1 inches)	93%	very high
August Weather	18°C (65°F)	129 mm (5.1 inches)	96%	very high
September Weather	16°C (61°F)	95 mm (3.7 inches)	89%	very high
October Weather	11°C (51°F)	159 mm (6.2 inches)	83%	moderate
November Weather	4°C (40°F)	96 mm (3.8 inches)	80%	moderate
December Weather	-3°C (27°F)	70 mm (2.8 inches)	79%	low