June Weather in Koga, Japan

Last updated: August 23, 2025

In Koga, Japan, the average temperature in June hovers around 22°C (72°F), making it a pleasant destination. However, temperatures can vary, with a minimum of 12°C (54°F) and a maximum reaching 33°C (92°F). Expect approximately 160 mm (6.3 in) of precipitation spread over 17 days, coupled with a high average humidity level of 88%. This combination creates a unique climate that is both humid and warm.

June Temperature in Koga

In June in Koga, the average temperature is 22°C (72°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 12°C (54°F). This pleasant climate makes Koga an ideal destination for travelers seeking a comfortable outdoor experience.

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

The chart illustrates June temperature patterns in Koga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koga, June typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (54°F).

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

June Precipitation in Koga

In Koga in June, the precipitation amount is 160 mm (6.3 in) over the course of 17 days.

June Precipitation Trends in Koga

The chart displays monthly precipitation patterns in Koga, 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 Koga, June typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 17 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 Koga

In Koga 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 Koga

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

In Koga 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 Koga.

Maximum UV Index Levels in Koga for June

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

Data source: Koga 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 Koga Compares to Other Months

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

This table compares monthly weather conditions in Koga, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	38 mm (1.5 inches)	88%	moderate
February Weather	5°C (41°F)	41 mm (1.6 inches)	86%	moderate
March Weather	9°C (49°F)	131 mm (5.2 inches)	81%	high
April Weather	14°C (57°F)	129 mm (5.1 inches)	78%	very high
May Weather	19°C (66°F)	137 mm (5.4 inches)	81%	very high
June Weather	22°C (72°F)	160 mm (6.3 inches)	88%	extreme
July Weather	26°C (78°F)	258 mm (10.2 inches)	92%	extreme
August Weather	27°C (82°F)	156 mm (6.1 inches)	92%	very high
September Weather	23°C (74°F)	195 mm (7.7 inches)	89%	very high
October Weather	18°C (64°F)	258 mm (10.1 inches)	87%	high
November Weather	12°C (53°F)	67 mm (2.6 inches)	85%	moderate
December Weather	6°C (43°F)	50 mm (2.0 inches)	86%	moderate