April Weather in Izumi, Japan

Last updated: August 23, 2025

In April, the average temperature in Izumi, Japan hovers around 16°C (61°F). Expect a range where the minimum dips to 9°C (48°F) and the maximum peaks at 25°C (77°F). With an average precipitation of 160 mm (6.3 in) spread over 9 days, you might want to carry an umbrella. The air can feel quite humid, with an average humidity of 79%—perfect for a refreshing experience!

April Temperature in Izumi

In April in Izumi, the average temperature is 16°C (61°F). Maximums can reach 25°C (77°F), while minimums can drop as low as 9°C (48°F). This mild climate makes it a perfect time for travelers to explore and enjoy the outdoors in Izumi.

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

The chart illustrates April temperature patterns in Izumi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izumi, April typically has an average temperature of 16°C (61°F), with highs reaching up to 25°C (77°F) and lows dropping to around 9°C (48°F).

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

April Precipitation in Izumi

In Izumi in April, the total precipitation amount is 160 mm (6.3 in) over the course of 9 days.

April Precipitation Trends in Izumi

The chart displays monthly precipitation patterns in Izumi, 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 Izumi, April typically receives around 160 mm (6.3 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 Izumi

In Izumi in April humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

April Average Humidity in Izumi

This chart illustrates the average monthly humidity levels in Izumi, 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 Izumi is approximately 79%, 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 Izumi

In Izumi 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 Izumi.

Maximum UV Index Levels in Izumi for April

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

Data source: Izumi 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 Izumi Compares to Other Months

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

This table compares monthly weather conditions in Izumi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	64 mm (2.5 inches)	72%	moderate
February Weather	10°C (50°F)	108 mm (4.3 inches)	68%	high
March Weather	13°C (55°F)	162 mm (6.4 inches)	72%	very high
April Weather	16°C (61°F)	160 mm (6.3 inches)	79%	extreme
May Weather	20°C (68°F)	250 mm (9.9 inches)	83%	extreme
June Weather	23°C (74°F)	343 mm (13.5 inches)	86%	extreme
July Weather	27°C (81°F)	454 mm (17.9 inches)	90%	extreme
August Weather	28°C (83°F)	247 mm (9.7 inches)	85%	extreme
September Weather	26°C (79°F)	261 mm (10.3 inches)	80%	extreme
October Weather	22°C (71°F)	141 mm (5.6 inches)	78%	very high
November Weather	16°C (61°F)	114 mm (4.5 inches)	76%	high
December Weather	11°C (52°F)	101 mm (4.0 inches)	74%	moderate