April Weather in Nankoku, Japan

Last updated: August 23, 2025

In April, the average temperature in Nankoku, Japan hovers around 15°C (60°F), with a minimum dip to 4°C (39°F) and a maximum rise to 24°C (76°F). Expect 170 mm (6.7 in) of precipitation spread over 9 days, contributing to an average humidity level of 76%. Embrace the mix of mild temperatures and refreshing rain in this vibrant locale!

April Temperature in Nankoku

In April in Nankoku, the average temperature is 15°C (60°F), with maximums reaching up to 24°C (76°F) and minimums dipping as low as 4°C (39°F). This makes it a pleasant time to visit Nankoku, perfect for exploring outdoor attractions while enjoying mild weather.

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

The chart illustrates April 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, April typically has an average temperature of 15°C (60°F), with highs reaching up to 24°C (76°F) and lows dropping to around 4°C (39°F).

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

April Precipitation in Nankoku

In Nankoku in April, the precipitation amount is 170 mm (6.7 in) over the course of 9 days.

April Precipitation Trends in Nankoku

The chart displays monthly precipitation patterns in Nankoku, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Nankoku, April typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Nankoku

In Nankoku in April humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

April Average Humidity in Nankoku

This chart illustrates the average monthly humidity levels in Nankoku, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Nankoku is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Nankoku

In Nankoku in April, 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 Nankoku.

Maximum UV Index Levels in Nankoku for April

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

Data source: Nankoku April 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 April 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 April’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 April’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