December Weather in Aibetsu, Japan

Last updated: August 23, 2025

Average Temperature in Aibetsu, Japan during December experiences a chilly -5°C (24°F), with minimums plunging to -20°C (-4°F) and maximums reaching a mild 12°C (54°F). The region also sees 127 mm (5.0 in) of precipitation spread over 27 days, coupled with an average humidity of 80%. Embrace the cool and wet conditions!

December Temperature in Aibetsu

In December in Aibetsu, the average temperature is -5°C (24°F), with maximums reaching 12°C (54°F) and minimums dropping to as low as -20°C (-4°F). Travelers should be prepared for cold conditions and dress warmly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Aibetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aibetsu, December typically has an average temperature of -5°C (24°F), with highs reaching up to 12°C (54°F) and lows dropping to around -20°C (-4°F).

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

December Precipitation in Aibetsu

In Aibetsu in December, the precipitation amount is 127 mm (5.0 in) spread over 27 days, indicating a significant amount of rainfall during that time.

December Precipitation Trends in Aibetsu

The chart displays monthly precipitation patterns in Aibetsu, 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 Aibetsu, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 27 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Aibetsu

In Aibetsu in December, humidity is 80%. With an average temperature of -5°C (24°F), this humidity feels like an invisible chill that seeps into your bones, making it difficult to enjoy outdoor activities and necessitating extra layers for comfort as you travel.

December Average Humidity in Aibetsu

This chart illustrates the average monthly humidity levels in Aibetsu, 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 Aibetsu is approximately 80%, 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 Aibetsu

In Aibetsu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Aibetsu, you can visit Hourly UV Index in Aibetsu.

Maximum UV Index Levels in Aibetsu for December

The chart shows the monthly maximum UV Index (UVI) for Aibetsu 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 Aibetsu typically reaches 2, which falls under the low exposure category.

Data source: Aibetsu 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 Aibetsu Compares to Other Months

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

This table compares monthly weather conditions in Aibetsu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	69 mm (2.7 inches)	84%	low
February Weather	-7°C (21°F)	88 mm (3.5 inches)	83%	moderate
March Weather	-1°C (31°F)	92 mm (3.6 inches)	81%	high
April Weather	5°C (42°F)	75 mm (3.0 inches)	81%	high
May Weather	12°C (54°F)	101 mm (4.0 inches)	86%	very high
June Weather	15°C (59°F)	98 mm (3.8 inches)	87%	very high
July Weather	20°C (68°F)	126 mm (4.9 inches)	93%	very high
August Weather	20°C (68°F)	191 mm (7.5 inches)	95%	very high
September Weather	16°C (61°F)	92 mm (3.6 inches)	88%	very high
October Weather	9°C (49°F)	153 mm (6.0 inches)	83%	moderate
November Weather	3°C (37°F)	159 mm (6.2 inches)	79%	moderate
December Weather	-5°C (24°F)	127 mm (5.0 inches)	80%	low