June Weather in Nankoku, Japan

Last updated: August 23, 2025

In June, the average temperature in Nankoku, Japan hovers around 22°C (73°F). Visitors can expect a comfortable range, with minimum temperatures dipping to 16°C (61°F) and peaking at 28°C (84°F). However, be prepared for the 286 mm (11.3 in) of precipitation spread over 15 days, leading to a high average humidity of 86%. Make sure to pack accordingly!

June Temperature in Nankoku

In June in Nankoku, the average temperature is a pleasant 22°C (73°F), with maximums reaching up to 28°C (84°F) and minimums dropping to a cool 16°C (61°F). This makes it an ideal time for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates June temperature patterns in Nankoku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nankoku, June typically has an average temperature of 22°C (73°F), with highs reaching up to 28°C (84°F) and lows dropping to around 16°C (61°F).

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

June Precipitation in Nankoku

In Nankoku in June, the precipitation amount is 286 mm (11.3 in) over the course of 15 days.

June Precipitation Trends in Nankoku

The chart displays monthly precipitation patterns in Nankoku, 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 Nankoku, June typically receives around 286 mm (11.3 inches) of precipitation spread over approximately 15 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 Nankoku

In Nankoku in June, humidity is 86%. With an average temperature of 22°C (73°F), this humidity feels like stepping into a warm, damp embrace that can quickly lead to discomfort while traveling, making you feel sticky and clammy, and often requiring frequent breaks to cool down.

June Average Humidity in Nankoku

This chart illustrates the average monthly humidity levels in Nankoku, 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 Nankoku is approximately 86%, 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 Nankoku

In Nankoku 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 Nankoku.

Maximum UV Index Levels in Nankoku for June

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

Data source: Nankoku 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 Nankoku Compares to Other Months

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

This table compares monthly weather conditions in Nankoku, 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 (46°F)	54 mm (2.1 inches)	74%	moderate
February Weather	8°C (47°F)	86 mm (3.4 inches)	70%	high
March Weather	12°C (54°F)	147 mm (5.8 inches)	70%	very high
April Weather	15°C (60°F)	170 mm (6.7 inches)	76%	extreme
May Weather	19°C (67°F)	206 mm (8.1 inches)	82%	extreme
June Weather	22°C (73°F)	286 mm (11.3 inches)	86%	extreme
July Weather	26°C (79°F)	523 mm (20.6 inches)	91%	extreme
August Weather	27°C (82°F)	298 mm (11.7 inches)	88%	extreme
September Weather	25°C (77°F)	262 mm (10.3 inches)	85%	very high
October Weather	20°C (69°F)	251 mm (9.9 inches)	82%	high
November Weather	15°C (59°F)	63 mm (2.5 inches)	79%	high
December Weather	10°C (50°F)	67 mm (2.7 inches)	77%	moderate