January Weather in Yotsukaido, Japan

Last updated: August 23, 2025

In Yotsukaido, Japan, the average temperature in January hovers around 5°C (42°F), with a range that dips as low as -6°C (21°F) and peaks at 17°C (64°F). During this month, you can expect approximately 52 mm (2.1 in) of precipitation over 6 days, contributing to an average humidity of 70%. Prepare for a mix of cool and damp weather as you explore this charming destination!

January Temperature in Yotsukaido

In January in Yotsukaido, the average temperature is 5°C (42°F). Maximums can reach 17°C (64°F), while minimums can dip as low as -6°C (21°F). Be prepared for chilly weather and pack layers to ensure you stay comfortable during your visit.

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

The chart illustrates January temperature patterns in Yotsukaido, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yotsukaido, January typically has an average temperature of 5°C (42°F), with highs reaching up to 17°C (64°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Yotsukaido

In Yotsukaido in January, the precipitation amount is 52 mm (2.1 in) over the course of 6 days.

January Precipitation Trends in Yotsukaido

The chart displays monthly precipitation patterns in Yotsukaido, 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 Yotsukaido, January typically receives around 52 mm (2.1 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 Yotsukaido

In Yotsukaido in January humidity is 70%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring you to bundle up while navigating the bustling streets or serene landscapes.

January Average Humidity in Yotsukaido

This chart illustrates the average monthly humidity levels in Yotsukaido, 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 Yotsukaido is approximately 70%, 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 Yotsukaido

In Yotsukaido 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 Yotsukaido, you can check the information here.

Maximum UV Index Levels in Yotsukaido for January

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

Data source: Yotsukaido 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 Yotsukaido Compares to Other Months

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

This table compares monthly weather conditions in Yotsukaido, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	52 mm (2.1 inches)	70%	moderate
February Weather	6°C (44°F)	46 mm (1.8 inches)	69%	moderate
March Weather	10°C (51°F)	136 mm (5.4 inches)	68%	very high
April Weather	14°C (58°F)	116 mm (4.6 inches)	73%	very high
May Weather	19°C (67°F)	128 mm (5.0 inches)	81%	extreme
June Weather	22°C (72°F)	161 mm (6.3 inches)	88%	extreme
July Weather	26°C (79°F)	223 mm (8.8 inches)	94%	extreme
August Weather	28°C (82°F)	102 mm (4.0 inches)	87%	extreme
September Weather	24°C (75°F)	186 mm (7.3 inches)	83%	very high
October Weather	19°C (66°F)	254 mm (10.0 inches)	78%	high
November Weather	14°C (57°F)	101 mm (4.0 inches)	74%	moderate
December Weather	8°C (46°F)	71 mm (2.8 inches)	72%	moderate