June Weather in Yonezawa, Japan

Last updated: August 23, 2025

In June, the average temperature in Yonezawa, Japan is a pleasant 18°C (64°F). Expect a minimum of 6°C (44°F) and a potential maximum of 32°C (89°F). With an average humidity of 88%, it’s advisable to prepare for a 135 mm (5.3 in) of precipitation spread over 16 days.

June Temperature in Yonezawa

In June in Yonezawa, the average temperature is 18°C (64°F). The maximum can reach 32°C (89°F), while the minimum can drop as low as 6°C (44°F). This varied climate makes Yonezawa an excellent destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Yonezawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yonezawa, June typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 6°C (44°F).

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

June Precipitation in Yonezawa

In Yonezawa in June, precipitation amounts to 135 mm (5.3 in) over the course of 16 days.

June Precipitation Trends in Yonezawa

The chart displays monthly precipitation patterns in Yonezawa, 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 Yonezawa, June typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 16 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 Yonezawa

In Yonezawa in June, humidity is 88%. With an average temperature of 18°C (64°F), this humidity feels like you’re walking through a warm, enveloping mist, making every step slightly weighted but also refreshing, ideal for leisurely exploration but challenging for strenuous activities.

June Average Humidity in Yonezawa

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

In Yonezawa 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 Yonezawa.

Maximum UV Index Levels in Yonezawa for June

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

Data source: Yonezawa 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 Yonezawa Compares to Other Months

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

This table compares monthly weather conditions in Yonezawa, 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 (28°F)	169 mm (6.6 inches)	88%	moderate
February Weather	-2°C (29°F)	167 mm (6.6 inches)	86%	moderate
March Weather	2°C (36°F)	153 mm (6.0 inches)	81%	very high
April Weather	8°C (46°F)	138 mm (5.4 inches)	78%	very high
May Weather	14°C (58°F)	120 mm (4.7 inches)	81%	very high
June Weather	18°C (64°F)	135 mm (5.3 inches)	88%	extreme
July Weather	22°C (72°F)	298 mm (11.7 inches)	92%	extreme
August Weather	23°C (74°F)	221 mm (8.7 inches)	92%	extreme
September Weather	19°C (66°F)	140 mm (5.5 inches)	89%	very high
October Weather	13°C (55°F)	164 mm (6.5 inches)	87%	high
November Weather	7°C (44°F)	118 mm (4.7 inches)	85%	moderate
December Weather	0°C (33°F)	203 mm (8.0 inches)	86%	moderate