January Weather in Mombetsu, Japan

Last updated: August 23, 2025

In January, the average temperature in Mombetsu, Japan hovers around -7°C (20°F), with extremes plunging to a minimum of -21°C (-5°F) and peaking at a maximum of 4°C (40°F). Expect a total precipitation of 57 mm (2.2 in) spread over approximately 10 days, contributing to a notably high average humidity of 87%.

January Temperature in Mombetsu

In January, in Mombetsu, the average temperature is -7°C (20°F). The maximum can reach 4°C (40°F), and the minimum can drop to as low as -21°C (-5°F). Travelers should be prepared for cold conditions and dress in layers to stay warm while exploring this wintry destination.

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

The chart illustrates January temperature patterns in Mombetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mombetsu, January typically has an average temperature of -7°C (20°F), with highs reaching up to 4°C (40°F) and lows dropping to around -21°C (-5°F).

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

January Precipitation in Mombetsu

In Mombetsu in January, the precipitation amount is 57 mm (2.2 in) over a span of 10 days.

January Precipitation Trends in Mombetsu

The chart displays monthly precipitation patterns in Mombetsu, 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 Mombetsu, January typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 10 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 Mombetsu

In Mombetsu in January humidity is 87%. With an average temperature of -7°C (20°F), this humidity feels like a biting chill that penetrates through layers of clothing, making outdoor exploration daunting and uncomfortable for travelers.

January Average Humidity in Mombetsu

This chart illustrates the average monthly humidity levels in Mombetsu, 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 Mombetsu is approximately 87%, 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 Mombetsu

In Mombetsu 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 Mombetsu, you can visit Hourly UV Index in Mombetsu.

Maximum UV Index Levels in Mombetsu for January

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

Data source: Mombetsu 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 Mombetsu Compares to Other Months

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

This table compares monthly weather conditions in Mombetsu, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	57 mm (2.2 inches)	87%	low
February Weather	-6°C (21°F)	65 mm (2.5 inches)	86%	moderate
March Weather	-1°C (31°F)	77 mm (3.0 inches)	85%	moderate
April Weather	5°C (42°F)	60 mm (2.4 inches)	85%	high
May Weather	12°C (53°F)	97 mm (3.8 inches)	88%	very high
June Weather	14°C (58°F)	94 mm (3.7 inches)	88%	very high
July Weather	19°C (67°F)	105 mm (4.1 inches)	93%	very high
August Weather	19°C (67°F)	150 mm (5.9 inches)	95%	very high
September Weather	16°C (62°F)	81 mm (3.2 inches)	88%	high
October Weather	10°C (51°F)	128 mm (5.0 inches)	80%	moderate
November Weather	4°C (39°F)	83 mm (3.3 inches)	78%	moderate
December Weather	-3°C (26°F)	55 mm (2.2 inches)	82%	low