January Weather in Amagasaki, Japan

Last updated: August 23, 2025

In January, the average temperature in Amagasaki, Japan hovers around 6°C (42°F). You can expect a chilly minimum of -3°C (26°F), while temperatures can rise to a pleasant maximum of 18°C (64°F). With an average humidity of 82%, be prepared for a bit of moisture in the air! During this month, anticipate about 46 mm (1.8 in) of precipitation spread over 6 days.

January Temperature in Amagasaki

In January in Amagasaki, the average temperature is 6°C (42°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -3°C (26°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Amagasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amagasaki, January typically has an average temperature of 6°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Amagasaki

In Amagasaki in January, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

January Precipitation Trends in Amagasaki

The chart displays monthly precipitation patterns in Amagasaki, 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 Amagasaki, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 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 Amagasaki

In Amagasaki in January, humidity is 82%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and prompting travelers to seek cozy indoor spaces instead.

January Average Humidity in Amagasaki

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

In Amagasaki 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 Amagasaki for better planning.

Maximum UV Index Levels in Amagasaki for January

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

Data source: Amagasaki 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 Amagasaki Compares to Other Months

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

This table compares monthly weather conditions in Amagasaki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	46 mm (1.8 inches)	82%	moderate
February Weather	6°C (43°F)	60 mm (2.3 inches)	79%	high
March Weather	10°C (51°F)	109 mm (4.3 inches)	74%	very high
April Weather	15°C (59°F)	135 mm (5.3 inches)	76%	extreme
May Weather	20°C (69°F)	150 mm (5.9 inches)	83%	extreme
June Weather	24°C (75°F)	147 mm (5.8 inches)	87%	extreme
July Weather	28°C (82°F)	282 mm (11.1 inches)	93%	extreme
August Weather	29°C (85°F)	183 mm (7.2 inches)	91%	extreme
September Weather	25°C (78°F)	169 mm (6.7 inches)	87%	very high
October Weather	20°C (67°F)	230 mm (9.0 inches)	85%	high
November Weather	13°C (56°F)	44 mm (1.7 inches)	83%	moderate
December Weather	8°C (47°F)	57 mm (2.2 inches)	83%	moderate