January Weather in Yasugi, Japan

Last updated: August 23, 2025

In Yasugi, Japan, the average temperature in January hovers around 3°C (38°F). Expect minimums dipping to -9°C (16°F) and maximums reaching up to 13°C (56°F). Rainfall is quite common, with an average precipitation amount of 86 mm (3.4 in) spread over 15 days. Additionally, the air is pleasantly humid, with an average humidity of 82%.

January Temperature in Yasugi

In January in Yasugi, the average temperature is 3°C (38°F), with maximums reaching 13°C (56°F) and minimums dipping as low as -9°C (16°F). Be prepared for chilly weather and pack warm clothing when traveling to Yasugi during this time.

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

The chart illustrates January temperature patterns in Yasugi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yasugi, January typically has an average temperature of 3°C (38°F), with highs reaching up to 13°C (56°F) and lows dropping to around -9°C (16°F).

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

January Precipitation in Yasugi

In Yasugi in January, the precipitation amount is 86 mm (3.4 in) that falls over a span of 15 days.

January Precipitation Trends in Yasugi

The chart displays monthly precipitation patterns in Yasugi, 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 Yasugi, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 15 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 Yasugi

In Yasugi in January humidity is 82%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making outdoor adventures quite uncomfortable and requiring extra layers to stay warm while exploring.

January Average Humidity in Yasugi

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

In Yasugi 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 Yasugi for better planning.

Maximum UV Index Levels in Yasugi for January

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

Data source: Yasugi 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 Yasugi Compares to Other Months

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

This table compares monthly weather conditions in Yasugi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	86 mm (3.4 inches)	82%	moderate
February Weather	4°C (39°F)	95 mm (3.8 inches)	79%	high
March Weather	8°C (47°F)	139 mm (5.5 inches)	73%	very high
April Weather	12°C (54°F)	129 mm (5.1 inches)	74%	extreme
May Weather	18°C (64°F)	103 mm (4.1 inches)	84%	extreme
June Weather	21°C (70°F)	206 mm (8.1 inches)	86%	extreme
July Weather	25°C (78°F)	322 mm (12.7 inches)	92%	extreme
August Weather	27°C (80°F)	263 mm (10.3 inches)	92%	extreme
September Weather	22°C (72°F)	238 mm (9.4 inches)	87%	very high
October Weather	16°C (62°F)	178 mm (7.0 inches)	85%	high
November Weather	10°C (51°F)	54 mm (2.1 inches)	84%	moderate
December Weather	5°C (42°F)	109 mm (4.3 inches)	82%	moderate