January Weather in Yakage, Japan

Last updated: August 23, 2025

In January, the average temperature in Yakage, Japan hovers around 4°C (39°F). You can expect minimum temperatures to plummet to -8°C (18°F), while highs can reach a mild 14°C (57°F). With an average precipitation of 41 mm (1.6 in) spread over 6 days, it’s wise to prepare for some wet weather. Notably, the average humidity sits at a comfortable 82%, adding to the unique atmosphere of the season.

January Temperature in Yakage

In January in Yakage, the average temperature is 4°C (39°F), with maximums reaching up to 14°C (57°F) and minimums plunging as low as -8°C (18°F). Be prepared for a chilly adventure, and pack layers to stay comfortable during your travels!

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

The chart illustrates January temperature patterns in Yakage, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yakage, January typically has an average temperature of 4°C (39°F), with highs reaching up to 14°C (57°F) and lows dropping to around -8°C (18°F).

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

January Precipitation in Yakage

In Yakage in January, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

January Precipitation Trends in Yakage

The chart displays monthly precipitation patterns in Yakage, 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 Yakage, January typically receives around 41 mm (1.6 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 Yakage

In Yakage in January, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

January Average Humidity in Yakage

This chart illustrates the average monthly humidity levels in Yakage, 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 Yakage is approximately 82%, 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 Yakage

In Yakage 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 Yakage for better planning.

Maximum UV Index Levels in Yakage for January

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

Data source: Yakage 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 Yakage Compares to Other Months

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

This table compares monthly weather conditions in Yakage, 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)	41 mm (1.6 inches)	82%	moderate
February Weather	5°C (40°F)	52 mm (2.1 inches)	79%	high
March Weather	9°C (48°F)	104 mm (4.1 inches)	73%	very high
April Weather	13°C (56°F)	128 mm (5.1 inches)	74%	very high
May Weather	18°C (66°F)	115 mm (4.5 inches)	84%	extreme
June Weather	22°C (71°F)	175 mm (6.9 inches)	86%	extreme
July Weather	26°C (79°F)	351 mm (13.8 inches)	92%	extreme
August Weather	27°C (82°F)	227 mm (8.9 inches)	92%	extreme
September Weather	23°C (74°F)	227 mm (8.9 inches)	87%	very high
October Weather	17°C (63°F)	178 mm (7.0 inches)	85%	high
November Weather	11°C (52°F)	35 mm (1.4 inches)	84%	moderate
December Weather	6°C (43°F)	52 mm (2.0 inches)	82%	moderate