January Weather in Ashibetsu, Japan

Last updated: August 23, 2025

In January, the average temperature in Ashibetsu, Japan plunges to a chilly -8°C (18°F). Expect a minimum drop to -23°C (-8°F) and a maximum of 3°C (39°F). With an average humidity of 84%, this month also sees 61 mm (2.4 in) of precipitation spread over 16 days. Prepare for brisk weather and wet conditions!

January Temperature in Ashibetsu

In January in Ashibetsu, the average temperature is -8°C (18°F), with maximums reaching 3°C (39°F) and minimums plummeting to as low as -23°C (-8°F). Travelers should be prepared for extremely cold conditions and dress warmly to enjoy their time outdoors.

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

The chart illustrates January temperature patterns in Ashibetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashibetsu, January typically has an average temperature of -8°C (18°F), with highs reaching up to 3°C (39°F) and lows dropping to around -23°C (-8°F).

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

January Precipitation in Ashibetsu

In Ashibetsu in January, the total precipitation amount is 61 mm (2.4 in), occurring over the course of 16 days.

January Precipitation Trends in Ashibetsu

The chart displays monthly precipitation patterns in Ashibetsu, 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 Ashibetsu, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Ashibetsu

In Ashibetsu in January humidity is 84%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration challenging and requiring extra layers for comfort.

January Average Humidity in Ashibetsu

This chart illustrates the average monthly humidity levels in Ashibetsu, 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 Ashibetsu is approximately 84%, 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 Ashibetsu

In Ashibetsu in January, 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 Ashibetsu, you can visit Hourly UV Index in Ashibetsu.

Maximum UV Index Levels in Ashibetsu for January

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

Data source: Ashibetsu 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 Ashibetsu Compares to Other Months

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

This table compares monthly weather conditions in Ashibetsu, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	61 mm (2.4 inches)	84%	low
February Weather	-7°C (20°F)	82 mm (3.2 inches)	83%	moderate
March Weather	-1°C (31°F)	92 mm (3.6 inches)	81%	high
April Weather	5°C (41°F)	79 mm (3.1 inches)	81%	high
May Weather	12°C (54°F)	104 mm (4.1 inches)	86%	very high
June Weather	15°C (60°F)	106 mm (4.2 inches)	87%	very high
July Weather	20°C (68°F)	116 mm (4.6 inches)	93%	very high
August Weather	20°C (68°F)	185 mm (7.3 inches)	95%	very high
September Weather	16°C (61°F)	114 mm (4.5 inches)	88%	very high
October Weather	9°C (49°F)	149 mm (5.9 inches)	83%	moderate
November Weather	2°C (36°F)	145 mm (5.7 inches)	79%	moderate
December Weather	-5°C (23°F)	111 mm (4.4 inches)	80%	low