April Weather in Shimoichi, Japan

Last updated: August 23, 2025

In Shimoichi, Japan, the average temperature for April hovers around 12°C (54°F), with a minimum dipping to -2°C (28°F) and a maximum reaching 25°C (76°F). Expect about 147 mm (5.8 in) of precipitation spread over 11 days, contributing to an average humidity of 76%. Whether you're braving the chill or enjoying the warmer days, be prepared for a mix of weather this month!

April Temperature in Shimoichi

In April in Shimoichi, the average temperature is 12°C (54°F). The maximum can reach 25°C (76°F) and the minimum can be as low as -2°C (28°F). It's a great time to explore Shimoichi, so pack accordingly to enjoy a mix of mild days and cooler nights!

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

The chart illustrates April temperature patterns in Shimoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimoichi, April typically has an average temperature of 12°C (54°F), with highs reaching up to 25°C (76°F) and lows dropping to around -2°C (28°F).

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

April Precipitation in Shimoichi

In Shimoichi in April, the total precipitation amount is 147 mm (5.8 in), occurring over the course of 11 days.

April Precipitation Trends in Shimoichi

The chart displays monthly precipitation patterns in Shimoichi, 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 Shimoichi, April typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 11 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 Shimoichi

In Shimoichi in April, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

April Average Humidity in Shimoichi

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

In Shimoichi 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 Shimoichi.

Maximum UV Index Levels in Shimoichi for April

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

Data source: Shimoichi 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 Shimoichi Compares to Other Months

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

This table compares monthly weather conditions in Shimoichi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	78 mm (3.1 inches)	82%	moderate
February Weather	3°C (37°F)	93 mm (3.6 inches)	79%	high
March Weather	7°C (46°F)	152 mm (6.0 inches)	74%	very high
April Weather	12°C (54°F)	147 mm (5.8 inches)	76%	extreme
May Weather	17°C (63°F)	191 mm (7.5 inches)	83%	extreme
June Weather	20°C (68°F)	267 mm (10.5 inches)	87%	extreme
July Weather	24°C (76°F)	398 mm (15.7 inches)	93%	extreme
August Weather	26°C (78°F)	251 mm (9.9 inches)	91%	extreme
September Weather	22°C (71°F)	241 mm (9.5 inches)	87%	very high
October Weather	16°C (61°F)	313 mm (12.3 inches)	85%	high
November Weather	10°C (50°F)	66 mm (2.6 inches)	83%	high
December Weather	4°C (40°F)	88 mm (3.5 inches)	83%	moderate