April Weather in Hayakawa, Japan

Last updated: August 23, 2025

In April, the average temperature in Hayakawa, Japan hovers around 9°C (48°F). While you might experience a chilly minimum of -5°C (23°F), be prepared for a pleasant maximum of 24°C (75°F). Expect approximately 179 mm (7.0 in) of precipitation over 14 days, accompanied by an average humidity of 74%.

April Temperature in Hayakawa

In April in Hayakawa, the average temperature is 9°C (48°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -5°C (23°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates April temperature patterns in Hayakawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayakawa, April typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (23°F).

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

April Precipitation in Hayakawa

In Hayakawa in April, the total precipitation amount is 179 mm (7.0 in) spread over a period of 14 days.

April Precipitation Trends in Hayakawa

The chart displays monthly precipitation patterns in Hayakawa, 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 Hayakawa, April typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 14 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 Hayakawa

In Hayakawa in April humidity is 74%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating warm layers to fully enjoy your explorations.

April Average Humidity in Hayakawa

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

In Hayakawa in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hayakawa.

Maximum UV Index Levels in Hayakawa for April

The chart shows the monthly maximum UV Index (UVI) for Hayakawa 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 Hayakawa typically reaches 10, which falls under the very high exposure category.

Data source: Hayakawa 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 Hayakawa Compares to Other Months

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

This table compares monthly weather conditions in Hayakawa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	65 mm (2.6 inches)	76%	moderate
February Weather	0°C (32°F)	80 mm (3.1 inches)	74%	high
March Weather	4°C (40°F)	182 mm (7.2 inches)	70%	very high
April Weather	9°C (48°F)	179 mm (7.0 inches)	74%	very high
May Weather	14°C (57°F)	191 mm (7.5 inches)	81%	extreme
June Weather	17°C (63°F)	222 mm (8.7 inches)	88%	extreme
July Weather	21°C (70°F)	451 mm (17.8 inches)	93%	extreme
August Weather	23°C (73°F)	227 mm (8.9 inches)	90%	extreme
September Weather	19°C (66°F)	243 mm (9.6 inches)	86%	very high
October Weather	13°C (56°F)	330 mm (13.0 inches)	83%	high
November Weather	7°C (45°F)	80 mm (3.1 inches)	80%	high
December Weather	2°C (35°F)	77 mm (3.0 inches)	78%	moderate