January Weather in Toyokoro, Japan

Last updated: August 23, 2025

In January, the average temperature in Toyokoro, Japan hovers around -6°C (21°F). Expect chilly conditions, with minimum temperatures plummeting to -22°C (-7°F) and a relatively mild maximum of 6°C (44°F). During this month, precipitation averages 50 mm (2.0 in) over approximately 6 days, while the average humidity rests at a crisp 84%. Stay warm and prepared for the winter weather!

January Temperature in Toyokoro

In January in Toyokoro, the average temperature is -6°C (21°F), with a maximum that can reach 6°C (44°F) and a minimum that can dip as low as -22°C (-7°F). Travelers should be prepared for cold conditions and pack accordingly to stay warm.

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

The chart illustrates January temperature patterns in Toyokoro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toyokoro, January typically has an average temperature of -6°C (21°F), with highs reaching up to 6°C (44°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Toyokoro

In Toyokoro in January, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

January Precipitation Trends in Toyokoro

The chart displays monthly precipitation patterns in Toyokoro, 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 Toyokoro, January typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Toyokoro

In Toyokoro in January humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

January Average Humidity in Toyokoro

This chart illustrates the average monthly humidity levels in Toyokoro, 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 Toyokoro is approximately 84%, 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 Toyokoro

In Toyokoro in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Toyokoro, you can visit Hourly UV Index in Toyokoro.

Maximum UV Index Levels in Toyokoro for January

The chart shows the monthly maximum UV Index (UVI) for Toyokoro 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 Toyokoro typically reaches 2, which falls under the low exposure category.

Data source: Toyokoro 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 Toyokoro Compares to Other Months

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

This table compares monthly weather conditions in Toyokoro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	50 mm (2.0 inches)	84%	low
February Weather	-5°C (23°F)	49 mm (1.9 inches)	83%	moderate
March Weather	1°C (34°F)	91 mm (3.6 inches)	83%	moderate
April Weather	6°C (44°F)	80 mm (3.1 inches)	83%	very high
May Weather	12°C (54°F)	78 mm (3.1 inches)	86%	very high
June Weather	15°C (58°F)	89 mm (3.5 inches)	88%	very high
July Weather	18°C (65°F)	76 mm (3.0 inches)	93%	very high
August Weather	20°C (68°F)	145 mm (5.7 inches)	96%	very high
September Weather	17°C (63°F)	117 mm (4.6 inches)	89%	very high
October Weather	12°C (53°F)	161 mm (6.3 inches)	83%	moderate
November Weather	5°C (42°F)	75 mm (3.0 inches)	80%	moderate
December Weather	-3°C (28°F)	48 mm (1.9 inches)	79%	low