January Weather in Otsuchi, Japan

Last updated: August 23, 2025

In January, the average temperature in Otsuchi, Japan hovers around 3°C (37°F), with a minimum dip to -7°C (20°F) and a comfortable maximum of 12°C (53°F). Expect 51 mm (2.0 in) of precipitation spread over 9 days, lending to a rather humid atmosphere, with average humidity levels at 80%.

January Temperature in Otsuchi

In January in Otsuchi, the average temperature is 3°C (37°F), with maximums reaching up to 12°C (53°F) and minimums plunging as low as -7°C (20°F). This chilly weather makes it essential to pack warm clothing if you're planning to visit.

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

The chart illustrates January 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, January typically has an average temperature of 3°C (37°F), with highs reaching up to 12°C (53°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Otsuchi

In Otsuchi in January, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

January Precipitation Trends in Otsuchi

The chart displays monthly precipitation patterns in Otsuchi, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Otsuchi, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Otsuchi

In Otsuchi in January, humidity is 80%. With an average temperature of 3°C (37°F), this humidity feels like a damp blanket wrapping around you, making outdoor adventures less enjoyable and prompting you to seek cozy indoor activities instead.

January Average Humidity in Otsuchi

This chart illustrates the average monthly humidity levels in Otsuchi, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Otsuchi is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Otsuchi

In Otsuchi in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Otsuchi, you can check the information here.

Maximum UV Index Levels in Otsuchi for January

The chart shows the monthly maximum UV Index (UVI) for Otsuchi in January, 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 January, the maximum UV index in Otsuchi typically reaches 3, which falls under the moderate exposure category.

Data source: Otsuchi January 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 January 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 January’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 January’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