April Weather in Kamisu, Japan

Last updated: August 23, 2025

In April, the average temperature in Kamisu, Japan hovers around 14°C (57°F). Expect a minimum of 6°C (43°F) and a maximum of 21°C (70°F), offering a mild climate for exploration. Be prepared for some rain, as the region sees an average precipitation of 128 mm (5.1 in) over 11 days. With an average humidity of 73%, the weather can feel quite humid, so plan accordingly!

April Temperature in Kamisu

In April in Kamisu, the average temperature is 14°C (57°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 6°C (43°F). This mild weather makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates April temperature patterns in Kamisu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamisu, April typically has an average temperature of 14°C (57°F), with highs reaching up to 21°C (70°F) and lows dropping to around 6°C (43°F).

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

April Precipitation in Kamisu

In Kamisu in April, the precipitation amount is 128 mm (5.1 in) spread over 11 days.

April Precipitation Trends in Kamisu

The chart displays monthly precipitation patterns in Kamisu, 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 Kamisu, April typically receives around 128 mm (5.1 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 Kamisu

In Kamisu in April, humidity is 73%. With an average temperature of 14°C (57°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially uncomfortable for extended periods. Travelers should stay hydrated and take breaks in shaded areas to fully appreciate the vibrant surroundings.

April Average Humidity in Kamisu

This chart illustrates the average monthly humidity levels in Kamisu, 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 Kamisu is approximately 73%, 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 Kamisu

In Kamisu in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kamisu.

Maximum UV Index Levels in Kamisu for April

The chart shows the monthly maximum UV Index (UVI) for Kamisu 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 Kamisu typically reaches 9, which falls under the very high exposure category.

Data source: Kamisu 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 Kamisu Compares to Other Months

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

This table compares monthly weather conditions in Kamisu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	64 mm (2.5 inches)	70%	moderate
February Weather	8°C (47°F)	60 mm (2.4 inches)	69%	moderate
March Weather	11°C (52°F)	163 mm (6.4 inches)	68%	high
April Weather	14°C (57°F)	128 mm (5.1 inches)	73%	very high
May Weather	18°C (65°F)	152 mm (6.0 inches)	81%	extreme
June Weather	21°C (70°F)	174 mm (6.9 inches)	88%	extreme
July Weather	24°C (76°F)	196 mm (7.7 inches)	94%	extreme
August Weather	26°C (79°F)	97 mm (3.8 inches)	87%	very high
September Weather	24°C (75°F)	182 mm (7.2 inches)	83%	very high
October Weather	20°C (68°F)	279 mm (11.0 inches)	78%	high
November Weather	15°C (60°F)	127 mm (5.0 inches)	74%	moderate
December Weather	10°C (51°F)	93 mm (3.7 inches)	72%	moderate