April Weather in Otsuchi, Japan

Last updated: August 23, 2025

In April, the average temperature in Otsuchi, Japan hovers around 8°C (47°F), with a minimum dipping to 1°C (35°F) and a pleasant maximum reaching 16°C (62°F). Expect about 127 mm (5.0 in) of precipitation spread over 11 days, contributing to the region's characteristic average humidity of 75%. Whether you're exploring or taking refuge indoors, prepare for a typical yet captivating weather experience!

April Temperature in Otsuchi

In April in Otsuchi, the average temperature is 8°C (47°F). Maximums can reach 16°C (62°F), and minimums can drop to as low as 1°C (35°F). Be sure to pack layers to stay comfortable while exploring the sights!

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

The chart illustrates April temperature patterns in Otsuchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otsuchi, April typically has an average temperature of 8°C (47°F), with highs reaching up to 16°C (62°F) and lows dropping to around 1°C (35°F).

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

April Precipitation in Otsuchi

In Otsuchi in April, the precipitation amount is 127 mm (5.0 in), occurring over 11 days.

April Precipitation Trends in Otsuchi

The chart displays monthly precipitation patterns in Otsuchi, 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 Otsuchi, April typically receives around 127 mm (5.0 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 Otsuchi

In Otsuchi in April humidity is 75%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities quite uncomfortable and requiring you to bundle up to stay warm while navigating the misty streets.

April Average Humidity in Otsuchi

This chart illustrates the average monthly humidity levels in Otsuchi, 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 Otsuchi is approximately 75%, 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 Otsuchi

In Otsuchi in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Otsuchi.

Maximum UV Index Levels in Otsuchi for April

The chart shows the monthly maximum UV Index (UVI) for Otsuchi 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 Otsuchi typically reaches 8, which falls under the very high exposure category.

Data source: Otsuchi 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 Otsuchi Compares to Other Months

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

This table compares monthly weather conditions in Otsuchi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	51 mm (2.0 inches)	80%	moderate
February Weather	2°C (37°F)	59 mm (2.3 inches)	79%	moderate
March Weather	5°C (42°F)	115 mm (4.5 inches)	77%	high
April Weather	8°C (47°F)	127 mm (5.0 inches)	75%	very high
May Weather	12°C (55°F)	116 mm (4.6 inches)	80%	very high
June Weather	16°C (61°F)	120 mm (4.7 inches)	87%	extreme
July Weather	20°C (69°F)	175 mm (6.9 inches)	92%	very high
August Weather	22°C (72°F)	200 mm (7.9 inches)	92%	very high
September Weather	20°C (69°F)	185 mm (7.3 inches)	86%	very high
October Weather	16°C (61°F)	243 mm (9.6 inches)	82%	high
November Weather	11°C (52°F)	57 mm (2.3 inches)	79%	moderate
December Weather	5°C (42°F)	71 mm (2.8 inches)	80%	moderate