January Weather in Tono, Japan

Last updated: August 23, 2025

In January, the average temperature in Tono, Japan hovers around -1°C (30°F), creating a chilly atmosphere. Expect minimums dropping to a frigid -20°C (-3°F), while the warmer days can see highs of 8°C (47°F). During this month, precipitation accumulates to about 47 mm (1.9 in) over approximately 10 days, contributing to the crisp air. With an average humidity of 80%, it's a time to bundle up and embrace the wintry charm!

January Temperature in Tono

In January in Tono, the average temperature is -1°C (30°F), with maximums reaching 8°C (47°F) and minimums plummeting to -20°C (-3°F). It's advisable to pack warm clothing and prepare for cold conditions if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Tono, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tono, January typically has an average temperature of -1°C (30°F), with highs reaching up to 8°C (47°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Tono

In Tono in January, the precipitation amount is 47 mm (1.9 in) over a span of 10 days.

January Precipitation Trends in Tono

The chart displays monthly precipitation patterns in Tono, 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 Tono, January typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 10 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 Tono

In Tono in January, humidity is 80%. With an average temperature of -1°C (30°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and travel quite challenging.

January Average Humidity in Tono

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

In Tono in January, 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 Tono, you can check the information here.

Maximum UV Index Levels in Tono for January

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

Data source: Tono 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 Tono Compares to Other Months

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

This table compares monthly weather conditions in Tono, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	47 mm (1.9 inches)	80%	moderate
February Weather	0°C (31°F)	60 mm (2.4 inches)	79%	moderate
March Weather	4°C (39°F)	114 mm (4.5 inches)	77%	high
April Weather	8°C (47°F)	120 mm (4.7 inches)	75%	very high
May Weather	14°C (58°F)	115 mm (4.5 inches)	80%	very high
June Weather	18°C (64°F)	132 mm (5.2 inches)	87%	extreme
July Weather	22°C (71°F)	182 mm (7.2 inches)	92%	very high
August Weather	23°C (74°F)	180 mm (7.1 inches)	92%	very high
September Weather	19°C (67°F)	138 mm (5.4 inches)	86%	very high
October Weather	13°C (56°F)	182 mm (7.2 inches)	82%	high
November Weather	7°C (44°F)	53 mm (2.1 inches)	79%	moderate
December Weather	1°C (34°F)	69 mm (2.7 inches)	80%	moderate