June Weather in Omachi, Japan

Last updated: August 23, 2025

In Omachi, Japan, the average temperature in June is a comfortable 15°C (59°F). However, be prepared for a range of temperatures, with minimums dipping to 2°C (35°F) and maximums reaching up to 24°C (76°F). This month also sees 310 mm (12.2 in) of precipitation spread over approximately 19 days, contributing to a high average humidity of 88%.

June Temperature in Omachi

In June in Omachi, the average temperature is 15°C (59°F). Maximum temperatures can reach 24°C (76°F), while the minimum can be as low as 2°C (35°F). This mild climate makes Omachi a great destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates June temperature patterns in Omachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omachi, June typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F) and lows dropping to around 2°C (35°F).

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

June Precipitation in Omachi

In Omachi in June, the precipitation amount is 310 mm (12.2 in) over a period of 19 days.

June Precipitation Trends in Omachi

The chart displays monthly precipitation patterns in Omachi, 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 Omachi, June typically receives around 310 mm (12.2 inches) of precipitation spread over approximately 19 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 Omachi

In Omachi 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 Omachi

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

In Omachi 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 Omachi.

Maximum UV Index Levels in Omachi for June

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

Data source: Omachi 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 Omachi Compares to Other Months

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

This table compares monthly weather conditions in Omachi, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	193 mm (7.6 inches)	88%	moderate
February Weather	-7°C (20°F)	181 mm (7.1 inches)	86%	high
March Weather	-1°C (30°F)	198 mm (7.8 inches)	81%	very high
April Weather	4°C (39°F)	226 mm (8.9 inches)	78%	very high
May Weather	11°C (52°F)	276 mm (10.9 inches)	81%	extreme
June Weather	15°C (59°F)	310 mm (12.2 inches)	88%	extreme
July Weather	19°C (67°F)	565 mm (22.3 inches)	92%	extreme
August Weather	20°C (69°F)	400 mm (15.8 inches)	92%	extreme
September Weather	16°C (61°F)	334 mm (13.1 inches)	89%	very high
October Weather	10°C (50°F)	284 mm (11.2 inches)	87%	high
November Weather	3°C (37°F)	139 mm (5.5 inches)	85%	moderate
December Weather	-5°C (24°F)	206 mm (8.1 inches)	86%	moderate