April Weather in Akaiwa, Japan

Last updated: August 23, 2025

In April, the average temperature in Akaiwa, Japan is a mild 15°C (59°F). You can expect temperatures to range from a comfortable 1°C (34°F) at the lowest to a warm 26°C (79°F) at the highest. During this time, 119 mm (4.7 in) of precipitation is typical, spread over about 8 days. The average humidity tends to hover around 74%, giving you a sense of the season's characteristic climate.

April Temperature in Akaiwa

In April in Akaiwa, the average temperature is 15°C (59°F). Maximums can reach 26°C (79°F), while minimums can be as low as 1°C (34°F). Be prepared for a range of temperatures and pack accordingly to fully enjoy your travels in Akaiwa.

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

The chart illustrates April temperature patterns in Akaiwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Akaiwa, April typically has an average temperature of 15°C (59°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (34°F).

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

April Precipitation in Akaiwa

In Akaiwa in April, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.

April Precipitation Trends in Akaiwa

The chart displays monthly precipitation patterns in Akaiwa, 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 Akaiwa, April typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Akaiwa

In Akaiwa in April, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

April Average Humidity in Akaiwa

This chart illustrates the average monthly humidity levels in Akaiwa, 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 Akaiwa is approximately 74%, 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 Akaiwa

In Akaiwa 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 Akaiwa.

Maximum UV Index Levels in Akaiwa for April

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

Data source: Akaiwa 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 Akaiwa Compares to Other Months

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

This table compares monthly weather conditions in Akaiwa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	33 mm (1.3 inches)	82%	moderate
February Weather	6°C (43°F)	47 mm (1.9 inches)	79%	high
March Weather	10°C (51°F)	94 mm (3.7 inches)	73%	very high
April Weather	15°C (59°F)	119 mm (4.7 inches)	74%	extreme
May Weather	20°C (68°F)	114 mm (4.5 inches)	84%	extreme
June Weather	23°C (74°F)	153 mm (6.0 inches)	86%	extreme
July Weather	27°C (81°F)	291 mm (11.5 inches)	92%	extreme
August Weather	29°C (85°F)	171 mm (6.7 inches)	92%	extreme
September Weather	25°C (77°F)	203 mm (8.0 inches)	87%	very high
October Weather	19°C (67°F)	169 mm (6.7 inches)	85%	high
November Weather	13°C (55°F)	30 mm (1.2 inches)	84%	moderate
December Weather	8°C (46°F)	45 mm (1.8 inches)	82%	moderate