January Weather in Tonosho, Japan

Last updated: August 23, 2025

In January, the average temperature in Tonosho, Japan is a cool 7°C (45°F), with minimums dipping to 0°C (32°F) and maximums reaching up to 15°C (60°F). Expect about 45 mm (1.8 in) of precipitation over approximately 8 days, contributing to an average humidity of 82%. Prepare for a fresh and slightly damp atmosphere!

January Temperature in Tonosho

In January in Tonosho, the average temperature is 7°C (45°F). The maximum can reach 15°C (60°F), while the minimum can drop to as low as 0°C (32°F). Pack warm clothing for your trip, but be prepared for some milder days as well!

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

The chart illustrates January temperature patterns in Tonosho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonosho, January typically has an average temperature of 7°C (45°F), with highs reaching up to 15°C (60°F) and lows dropping to around 0°C (32°F).

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

January Precipitation in Tonosho

In Tonosho in January, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

January Precipitation Trends in Tonosho

The chart displays monthly precipitation patterns in Tonosho, 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 Tonosho, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 8 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 Tonosho

In Tonosho in January humidity is 82%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities feel much colder and less inviting, which can make exploring less enjoyable unless you're dressed warmly.

January Average Humidity in Tonosho

This chart illustrates the average monthly humidity levels in Tonosho, 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 Tonosho is approximately 82%, 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 Tonosho

In Tonosho in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Tonosho for better planning.

Maximum UV Index Levels in Tonosho for January

The chart shows the monthly maximum UV Index (UVI) for Tonosho 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 Tonosho typically reaches 4, which falls under the moderate exposure category.

Data source: Tonosho 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 Tonosho Compares to Other Months

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

This table compares monthly weather conditions in Tonosho, 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 (45°F)	45 mm (1.8 inches)	82%	moderate
February Weather	7°C (45°F)	58 mm (2.3 inches)	79%	moderate
March Weather	10°C (50°F)	101 mm (4.0 inches)	73%	very high
April Weather	13°C (56°F)	117 mm (4.6 inches)	74%	extreme
May Weather	17°C (64°F)	119 mm (4.7 inches)	84%	extreme
June Weather	21°C (70°F)	146 mm (5.7 inches)	86%	extreme
July Weather	25°C (78°F)	263 mm (10.4 inches)	92%	extreme
August Weather	27°C (81°F)	129 mm (5.1 inches)	92%	extreme
September Weather	25°C (77°F)	187 mm (7.4 inches)	87%	very high
October Weather	20°C (69°F)	237 mm (9.3 inches)	85%	high
November Weather	15°C (60°F)	44 mm (1.7 inches)	84%	moderate
December Weather	10°C (50°F)	57 mm (2.2 inches)	82%	moderate