April Weather in Ishioka, Japan

Last updated: August 23, 2025

In April, the average temperature in Ishioka, Japan hovers around 14°C (57°F), with a notable range that sees minimums dipping to 0°C (32°F) and maximums peaking at 28°C (82°F). You can expect 118 mm (4.6 in) of rainfall spread over 12 days, contributing to an average humidity level of 73%. Embrace the blend of cool breezes and occasional showers that characterize this vibrant season!

April Temperature in Ishioka

In April in Ishioka, the average temperature is 14°C (57°F). Maximums can reach 28°C (82°F), and minimums can be as low as 0°C (32°F). Travelers should be prepared for a range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates April temperature patterns in Ishioka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ishioka, April typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).

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

April Precipitation in Ishioka

In Ishioka in April, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

April Precipitation Trends in Ishioka

The chart displays monthly precipitation patterns in Ishioka, 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 Ishioka, April typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 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 Ishioka

In Ishioka in April, humidity is 73%. With an average temperature of 14°C (57°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially uncomfortable for extended periods. Travelers should stay hydrated and take breaks in shaded areas to fully appreciate the vibrant surroundings.

April Average Humidity in Ishioka

This chart illustrates the average monthly humidity levels in Ishioka, 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 Ishioka is approximately 73%, 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 Ishioka

In Ishioka in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Ishioka.

Maximum UV Index Levels in Ishioka for April

The chart shows the monthly maximum UV Index (UVI) for Ishioka 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 Ishioka typically reaches 9, which falls under the very high exposure category.

Data source: Ishioka 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 Ishioka Compares to Other Months

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

This table compares monthly weather conditions in Ishioka, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	44 mm (1.7 inches)	76%	moderate
February Weather	5°C (42°F)	41 mm (1.6 inches)	75%	moderate
March Weather	10°C (49°F)	134 mm (5.3 inches)	72%	high
April Weather	14°C (57°F)	118 mm (4.6 inches)	73%	very high
May Weather	19°C (66°F)	131 mm (5.1 inches)	80%	very high
June Weather	22°C (71°F)	140 mm (5.5 inches)	87%	extreme
July Weather	25°C (78°F)	220 mm (8.7 inches)	92%	extreme
August Weather	27°C (81°F)	117 mm (4.6 inches)	90%	very high
September Weather	23°C (74°F)	172 mm (6.8 inches)	84%	very high
October Weather	18°C (65°F)	239 mm (9.4 inches)	80%	high
November Weather	13°C (55°F)	78 mm (3.1 inches)	77%	moderate
December Weather	7°C (44°F)	58 mm (2.3 inches)	77%	moderate