December Weather in Amagasaki, Japan

Last updated: August 23, 2025

In December, the average temperature in Amagasaki, Japan hovers around 8°C (47°F). Expect lows of -1°C (30°F) and highs reaching 22°C (71°F). With 57 mm (2.2 in) of precipitation spread over 6 days, you might want to pack your umbrella! Humidity levels are typically at a high 83%, adding to that cozy atmosphere.

December Temperature in Amagasaki

In December in Amagasaki, the average temperature is 8°C (47°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -1°C (30°F). This makes it an ideal time for travelers to experience a comfortable climate, perfect for outdoor activities and exploring the local scenery.

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

The chart illustrates December 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, December typically has an average temperature of 8°C (47°F), with highs reaching up to 22°C (71°F) and lows dropping to around -1°C (30°F).

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

December Precipitation in Amagasaki

In Amagasaki in December, the precipitation amount is 57 mm (2.2 in) over a span of 6 days.

December Precipitation Trends in Amagasaki

The chart displays monthly precipitation patterns in Amagasaki, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Amagasaki, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Amagasaki

In Amagasaki in December humidity is 83%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and leaving you yearning for warmth and dryness as you explore.

December Average Humidity in Amagasaki

This chart illustrates the average monthly humidity levels in Amagasaki, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Amagasaki is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Amagasaki

In Amagasaki in December, 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 Amagasaki, you can check the information here.

Maximum UV Index Levels in Amagasaki for December

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

Data source: Amagasaki December 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 December 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 December’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 December’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