January Weather in Kasugai, Japan

Last updated: August 23, 2025

In January, the average temperature in Kasugai, Japan hovers around 5°C (41°F). Expect a minimum of -5°C (23°F) and a maximum of 17°C (64°F). During this month, precipitation totals about 43 mm (1.7 in) across 5 days, accompanied by an average humidity of 82%. Prepare accordingly for a cool and damp experience!

January Temperature in Kasugai

In January in Kasugai, the average temperature is 5°C (41°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Kasugai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasugai, January typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (64°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Kasugai

In Kasugai in January, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

January Precipitation Trends in Kasugai

The chart displays monthly precipitation patterns in Kasugai, 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 Kasugai, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 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 Kasugai

In Kasugai in January, humidity is 82%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities less enjoyable and making it essential to dress in layers to stay warm while navigating the wet conditions.

January Average Humidity in Kasugai

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

In Kasugai 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 Kasugai for better planning.

Maximum UV Index Levels in Kasugai for January

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

Data source: Kasugai 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 Kasugai Compares to Other Months

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

This table compares monthly weather conditions in Kasugai, 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 (41°F)	43 mm (1.7 inches)	82%	moderate
February Weather	6°C (43°F)	52 mm (2.0 inches)	79%	high
March Weather	10°C (51°F)	126 mm (5.0 inches)	74%	very high
April Weather	15°C (59°F)	142 mm (5.6 inches)	76%	very high
May Weather	20°C (68°F)	173 mm (6.8 inches)	83%	extreme
June Weather	23°C (74°F)	148 mm (5.8 inches)	87%	extreme
July Weather	27°C (81°F)	295 mm (11.6 inches)	93%	extreme
August Weather	29°C (85°F)	169 mm (6.7 inches)	91%	extreme
September Weather	25°C (77°F)	165 mm (6.5 inches)	87%	very high
October Weather	19°C (66°F)	210 mm (8.2 inches)	85%	high
November Weather	13°C (55°F)	54 mm (2.1 inches)	83%	moderate
December Weather	7°C (45°F)	51 mm (2.0 inches)	83%	moderate