April Weather in Naganohara, Japan

Last updated: August 23, 2025

In Naganohara, Japan, the average temperature in April is a cool 9°C (48°F). You can expect a minimum of -3°C (27°F) and a maximum of 26°C (80°F) throughout the month. With an average precipitation amount of 130 mm (5.1 in) over 17 days, it's wise to prepare for some wet weather. The average humidity sits at a comfortable 78%, adding to the overall atmosphere of this delightful time of year.

April Temperature in Naganohara

In April in Naganohara, the average temperature is 9°C (48°F), with maximums reaching up to 26°C (80°F) and minimums dropping as low as -3°C (27°F). This variation in temperature makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates April temperature patterns in Naganohara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naganohara, April typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (80°F) and lows dropping to around -3°C (27°F).

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

April Precipitation in Naganohara

In Naganohara in April, the total precipitation amount is 130 mm (5.1 in) over a span of 17 days.

April Precipitation Trends in Naganohara

The chart displays monthly precipitation patterns in Naganohara, 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 Naganohara, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 17 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 Naganohara

In Naganohara in April humidity is 78%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less enjoyable as you navigate the damp air.

April Average Humidity in Naganohara

This chart illustrates the average monthly humidity levels in Naganohara, 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 Naganohara is approximately 78%, 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 Naganohara

In Naganohara 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 Naganohara.

Maximum UV Index Levels in Naganohara for April

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

Data source: Naganohara 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 Naganohara Compares to Other Months

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

This table compares monthly weather conditions in Naganohara, 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)	78 mm (3.1 inches)	88%	moderate
February Weather	0°C (32°F)	72 mm (2.8 inches)	86%	high
March Weather	4°C (40°F)	125 mm (4.9 inches)	81%	very high
April Weather	9°C (48°F)	130 mm (5.1 inches)	78%	very high
May Weather	15°C (59°F)	173 mm (6.8 inches)	81%	extreme
June Weather	18°C (64°F)	223 mm (8.8 inches)	88%	extreme
July Weather	22°C (72°F)	341 mm (13.4 inches)	92%	extreme
August Weather	23°C (74°F)	244 mm (9.6 inches)	92%	extreme
September Weather	19°C (66°F)	222 mm (8.7 inches)	89%	very high
October Weather	13°C (56°F)	264 mm (10.4 inches)	87%	high
November Weather	7°C (45°F)	54 mm (2.1 inches)	85%	moderate
December Weather	2°C (35°F)	74 mm (2.9 inches)	86%	moderate