January Weather in Motoyama, Japan

Last updated: August 23, 2025

In Motoyama, Japan, the average temperature in January hovers around 4°C (39°F). However, be prepared for a range as temperatures can dip to a chilly -6°C (21°F) or rise to a pleasant 16°C (61°F). Expect about 66 mm (2.6 in) of precipitation spread over 7 days, contributing to an average humidity level of 74%. Stay cozy and enjoy the unique climate of this beautiful location!

January Temperature in Motoyama

In January in Motoyama, the average temperature is 4°C (39°F). Maximums can reach 16°C (61°F), while minimums can drop as low as -6°C (21°F). Be sure to pack layers to stay comfortable during your travels, as temperatures can vary significantly throughout the day.

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

The chart illustrates January temperature patterns in Motoyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Motoyama, January typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (61°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Motoyama

In Motoyama in January, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

January Precipitation Trends in Motoyama

The chart displays monthly precipitation patterns in Motoyama, 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 Motoyama, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Motoyama

In Motoyama in January humidity is 74%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating the potentially slippery streets.

January Average Humidity in Motoyama

This chart illustrates the average monthly humidity levels in Motoyama, 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 Motoyama is approximately 74%, 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 Motoyama

In Motoyama in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Motoyama for better planning.

Maximum UV Index Levels in Motoyama for January

The chart shows the monthly maximum UV Index (UVI) for Motoyama 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 Motoyama typically reaches 4, which falls under the moderate exposure category.

Data source: Motoyama 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 Motoyama Compares to Other Months

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

This table compares monthly weather conditions in Motoyama, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	66 mm (2.6 inches)	74%	moderate
February Weather	5°C (41°F)	98 mm (3.9 inches)	70%	high
March Weather	9°C (49°F)	162 mm (6.4 inches)	70%	very high
April Weather	13°C (56°F)	179 mm (7.0 inches)	76%	extreme
May Weather	18°C (64°F)	206 mm (8.1 inches)	82%	extreme
June Weather	21°C (70°F)	287 mm (11.3 inches)	86%	extreme
July Weather	25°C (77°F)	547 mm (21.5 inches)	91%	extreme
August Weather	26°C (80°F)	297 mm (11.7 inches)	88%	extreme
September Weather	23°C (73°F)	349 mm (13.8 inches)	85%	very high
October Weather	17°C (64°F)	335 mm (13.2 inches)	82%	high
November Weather	11°C (52°F)	78 mm (3.1 inches)	79%	high
December Weather	6°C (43°F)	80 mm (3.2 inches)	77%	moderate