June Weather in Oyama, Japan

Last updated: August 23, 2025

In June, the average temperature in Oyama, Japan is a pleasant 22°C (72°F). Expect the mercury to dip as low as 17°C (63°F) and rise to a maximum of 26°C (79°F). With an average humidity of 88%, the air can feel quite tropical. Be prepared for some rain, as 302 mm (11.9 in) of precipitation can be expected over 14 days during this month.

June Temperature in Oyama

In June in Oyama, the average temperature is 22°C (72°F). Maximums can reach 26°C (79°F), while minimums can dip to as low as 17°C (63°F). This mild climate makes Oyama an ideal destination for enjoyable outdoor activities and exploration.

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

The chart illustrates June temperature patterns in Oyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oyama, June typically has an average temperature of 22°C (72°F), with highs reaching up to 26°C (79°F) and lows dropping to around 17°C (63°F).

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

June Precipitation in Oyama

In Oyama in June, the total precipitation amount is 302 mm (11.9 in) over a period of 14 days.

June Precipitation Trends in Oyama

The chart displays monthly precipitation patterns in Oyama, 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 Oyama, June typically receives around 302 mm (11.9 inches) of precipitation spread over approximately 14 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 Oyama

In Oyama in June humidity is 88%. With an average temperature of 22°C (72°F), this humidity feels like a warm, steamy embrace that clings to your skin, making outdoor exploration a sweaty challenge but also a vibrant experience as the air is thick with the scent of nature and vibrant local life.

June Average Humidity in Oyama

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

In Oyama 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 Oyama.

Maximum UV Index Levels in Oyama for June

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

Data source: Oyama 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 Oyama Compares to Other Months

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

This table compares monthly weather conditions in Oyama, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	70 mm (2.8 inches)	76%	moderate
February Weather	10°C (50°F)	93 mm (3.7 inches)	74%	high
March Weather	13°C (55°F)	189 mm (7.4 inches)	70%	very high
April Weather	16°C (60°F)	164 mm (6.4 inches)	74%	very high
May Weather	19°C (67°F)	213 mm (8.4 inches)	81%	extreme
June Weather	22°C (72°F)	302 mm (11.9 inches)	88%	extreme
July Weather	25°C (78°F)	363 mm (14.3 inches)	93%	extreme
August Weather	27°C (81°F)	163 mm (6.4 inches)	90%	extreme
September Weather	25°C (78°F)	255 mm (10.0 inches)	86%	very high
October Weather	22°C (71°F)	328 mm (12.9 inches)	83%	high
November Weather	17°C (63°F)	137 mm (5.4 inches)	80%	moderate
December Weather	12°C (55°F)	99 mm (3.9 inches)	78%	moderate