April Weather in Ako, Japan

Last updated: August 23, 2025

The average temperature in Ako, Japan during April is a comfortable 13°C (56°F), with lows dropping to 4°C (40°F) and highs reaching up to 21°C (71°F). Expect some rain, as the area sees about 130 mm (5.1 in) of precipitation over 9 days, and be prepared for a humidity level averaging 74%.

April Temperature in Ako

In April in Ako, the average temperature is 13°C (56°F). Maximums can reach 21°C (71°F), and minimums can be as low as 4°C (40°F). This mild climate makes Ako ideal for outdoor activities and sightseeing during this time.

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

The chart illustrates April temperature patterns in Ako, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ako, April typically has an average temperature of 13°C (56°F), with highs reaching up to 21°C (71°F) and lows dropping to around 4°C (40°F).

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

April Precipitation in Ako

In Ako in April, the precipitation amount is 130 mm (5.1 in) over the course of 9 days.

April Precipitation Trends in Ako

The chart displays monthly precipitation patterns in Ako, 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 Ako, April typically receives around 130 mm (5.1 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 Ako

In Ako in April humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

April Average Humidity in Ako

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

In Ako 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 Ako.

Maximum UV Index Levels in Ako for April

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

Data source: Ako 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 Ako Compares to Other Months

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

This table compares monthly weather conditions in Ako, 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 (43°F)	39 mm (1.5 inches)	82%	moderate
February Weather	6°C (43°F)	55 mm (2.2 inches)	79%	moderate
March Weather	9°C (49°F)	108 mm (4.2 inches)	73%	very high
April Weather	13°C (56°F)	130 mm (5.1 inches)	74%	extreme
May Weather	18°C (65°F)	131 mm (5.2 inches)	84%	extreme
June Weather	22°C (71°F)	164 mm (6.5 inches)	86%	extreme
July Weather	26°C (78°F)	303 mm (11.9 inches)	92%	extreme
August Weather	28°C (82°F)	173 mm (6.8 inches)	92%	extreme
September Weather	24°C (76°F)	222 mm (8.7 inches)	87%	very high
October Weather	19°C (67°F)	211 mm (8.3 inches)	85%	high
November Weather	14°C (57°F)	38 mm (1.5 inches)	84%	moderate
December Weather	9°C (48°F)	52 mm (2.0 inches)	82%	moderate