June Weather in Hayakawa, Japan

Last updated: August 23, 2025

In June, the average temperature in Hayakawa, Japan is a pleasant 17°C (63°F), with minimums dipping to 5°C (42°F) and highs reaching near 28°C (82°F). Expect a fair amount of rainfall, with 222 mm (8.7 in) of precipitation over approximately 18 days. The atmosphere is quite humid, boasting an average humidity of 88%, perfect for those who enjoy a lush environment.

June Temperature in Hayakawa

In June in Hayakawa, the average temperature is 17°C (63°F), with maximums reaching up to 28°C (82°F) and minimums dipping as low as 5°C (42°F). This pleasant climate makes Hayakawa an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates June temperature patterns in Hayakawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayakawa, June typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (82°F) and lows dropping to around 5°C (42°F).

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

June Precipitation in Hayakawa

In Hayakawa in June, the precipitation amount is 222 mm (8.7 in), occurring over the course of 18 days.

June Precipitation Trends in Hayakawa

The chart displays monthly precipitation patterns in Hayakawa, 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 Hayakawa, June typically receives around 222 mm (8.7 inches) of precipitation spread over approximately 18 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 Hayakawa

In Hayakawa in June, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.

June Average Humidity in Hayakawa

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

In Hayakawa in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Hayakawa.

Maximum UV Index Levels in Hayakawa for June

The chart shows the monthly maximum UV Index (UVI) for Hayakawa 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 Hayakawa typically reaches 12, which falls under the extreme exposure category.

Data source: Hayakawa 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 Hayakawa Compares to Other Months

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

This table compares monthly weather conditions in Hayakawa, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	65 mm (2.6 inches)	76%	moderate
February Weather	0°C (32°F)	80 mm (3.1 inches)	74%	high
March Weather	4°C (40°F)	182 mm (7.2 inches)	70%	very high
April Weather	9°C (48°F)	179 mm (7.0 inches)	74%	very high
May Weather	14°C (57°F)	191 mm (7.5 inches)	81%	extreme
June Weather	17°C (63°F)	222 mm (8.7 inches)	88%	extreme
July Weather	21°C (70°F)	451 mm (17.8 inches)	93%	extreme
August Weather	23°C (73°F)	227 mm (8.9 inches)	90%	extreme
September Weather	19°C (66°F)	243 mm (9.6 inches)	86%	very high
October Weather	13°C (56°F)	330 mm (13.0 inches)	83%	high
November Weather	7°C (45°F)	80 mm (3.1 inches)	80%	high
December Weather	2°C (35°F)	77 mm (3.0 inches)	78%	moderate