April Weather in Izumisano, Japan

Last updated: August 23, 2025

In Izumisano, Japan, the average temperature in April hovers around 15°C (60°F). Expect a minimum chill of 3°C (38°F) and a warm maximum of 25°C (78°F). This month, you may experience 119 mm (4.7 in) of precipitation spread over about 10 days, coupled with an average humidity of 76%. Stay prepared for fluctuating weather!

April Temperature in Izumisano

In April in Izumisano, the average temperature is 15°C (60°F). The maximum can reach 25°C (78°F), and the minimum can be as low as 3°C (38°F). This diverse range of temperatures makes it an ideal time for travelers to enjoy various outdoor activities while also being prepared for cooler evenings.

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

The chart illustrates April temperature patterns in Izumisano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izumisano, April typically has an average temperature of 15°C (60°F), with highs reaching up to 25°C (78°F) and lows dropping to around 3°C (38°F).

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

April Precipitation in Izumisano

In Izumisano in April, the total precipitation amount is 119 mm (4.7 in) over the span of 10 days.

April Precipitation Trends in Izumisano

The chart displays monthly precipitation patterns in Izumisano, 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 Izumisano, April typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 10 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 Izumisano

In Izumisano 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 Izumisano

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

In Izumisano 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 Izumisano.

Maximum UV Index Levels in Izumisano for April

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

Data source: Izumisano 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 Izumisano Compares to Other Months

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

This table compares monthly weather conditions in Izumisano, 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 (44°F)	49 mm (1.9 inches)	82%	moderate
February Weather	7°C (44°F)	60 mm (2.4 inches)	79%	moderate
March Weather	11°C (52°F)	103 mm (4.0 inches)	74%	very high
April Weather	15°C (60°F)	119 mm (4.7 inches)	76%	extreme
May Weather	20°C (68°F)	142 mm (5.6 inches)	83%	extreme
June Weather	23°C (74°F)	162 mm (6.4 inches)	87%	extreme
July Weather	27°C (82°F)	286 mm (11.3 inches)	93%	extreme
August Weather	29°C (85°F)	170 mm (6.7 inches)	91%	extreme
September Weather	25°C (78°F)	182 mm (7.2 inches)	87%	very high
October Weather	20°C (68°F)	236 mm (9.3 inches)	85%	high
November Weather	14°C (57°F)	49 mm (1.9 inches)	83%	moderate
December Weather	9°C (48°F)	61 mm (2.4 inches)	83%	moderate