January Weather in Furukawa, Japan

Last updated: August 23, 2025

In Furukawa, Japan, the average temperature in January hovers around 2°C (35°F). Expect chilly days with a minimum dipping to -10°C (15°F) and a maximum reaching 12°C (54°F). During this month, anticipate approximately 55 mm (2.1 in) of precipitation spread over 12 days, accompanied by an average humidity level of 80%. Make sure to bundle up! 🌧️

January Temperature in Furukawa

In January in Furukawa, the average temperature is 2°C (35°F), with maximums reaching 12°C (54°F) and minimums dropping as low as -10°C (15°F). Be sure to pack warm clothing if you're planning to visit during this time.

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

The chart illustrates January temperature patterns in Furukawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Furukawa, January typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -10°C (15°F).

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

January Precipitation in Furukawa

In Furukawa in January, the precipitation amount is 55 mm (2.1 in) spread over 12 days.

January Precipitation Trends in Furukawa

The chart displays monthly precipitation patterns in Furukawa, 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 Furukawa, January typically receives around 55 mm (2.1 inches) of precipitation spread over approximately 12 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 Furukawa

In Furukawa in January humidity is 80%. With an average temperature of 2°C (35°F), this humidity feels like a heavy, damp chill that clings to your skin, making outdoor excursions uncomfortable and your clothes feel soggy, while constantly reminding you to seek shelter indoors to escape the oppressive moisture in the air.

January Average Humidity in Furukawa

This chart illustrates the average monthly humidity levels in Furukawa, 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 Furukawa 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 Furukawa

In Furukawa 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 Furukawa, you can check the information here.

Maximum UV Index Levels in Furukawa for January

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

Data source: Furukawa 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 Furukawa Compares to Other Months

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

This table compares monthly weather conditions in Furukawa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	55 mm (2.1 inches)	80%	moderate
February Weather	3°C (37°F)	47 mm (1.9 inches)	79%	moderate
March Weather	6°C (43°F)	109 mm (4.3 inches)	77%	high
April Weather	10°C (51°F)	111 mm (4.4 inches)	75%	very high
May Weather	16°C (62°F)	105 mm (4.1 inches)	80%	very high
June Weather	20°C (68°F)	105 mm (4.2 inches)	87%	very high
July Weather	24°C (75°F)	214 mm (8.4 inches)	92%	extreme
August Weather	25°C (78°F)	216 mm (8.5 inches)	92%	extreme
September Weather	21°C (71°F)	138 mm (5.4 inches)	86%	very high
October Weather	16°C (61°F)	198 mm (7.8 inches)	82%	high
November Weather	10°C (50°F)	41 mm (1.6 inches)	79%	moderate
December Weather	4°C (39°F)	62 mm (2.4 inches)	80%	moderate