January Weather in Tsuma, Japan

Last updated: August 23, 2025

In January, the average temperature in Tsuma, Japan hovers around 10°C (50°F), with a minimum dipping to 1°C (35°F) and peaks reaching up to 19°C (67°F). Expect a total precipitation of 59 mm (2.3 in) over approximately 5 days, while the average humidity remains comfortably high at 72%.

January Temperature in Tsuma

In January in Tsuma, the average temperature is 10°C (50°F). Maximums can reach 19°C (67°F) and minimums can be as low as 1°C (35°F). It's a great time to visit if you enjoy mild weather and layering for comfort.

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

The chart illustrates January temperature patterns in Tsuma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsuma, January typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (67°F) and lows dropping to around 1°C (35°F).

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

January Precipitation in Tsuma

In Tsuma in January, the precipitation amount is 59 mm (2.3 in) over the course of 5 days.

January Precipitation Trends in Tsuma

The chart displays monthly precipitation patterns in Tsuma, 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 Tsuma, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 5 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 Tsuma

In Tsuma in January, humidity is 72%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that permeates your clothing, making outdoor exploration less comfortable and requiring extra layers to stay warm during your travels.

January Average Humidity in Tsuma

This chart illustrates the average monthly humidity levels in Tsuma, 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 Tsuma is approximately 72%, 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 Tsuma

In Tsuma in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Tsuma.

Maximum UV Index Levels in Tsuma for January

The chart shows the monthly maximum UV Index (UVI) for Tsuma 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 Tsuma typically reaches 5, which falls under the moderate exposure category.

Data source: Tsuma 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 Tsuma Compares to Other Months

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

This table compares monthly weather conditions in Tsuma, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	59 mm (2.3 inches)	72%	moderate
February Weather	10°C (51°F)	107 mm (4.2 inches)	68%	high
March Weather	14°C (57°F)	170 mm (6.7 inches)	72%	very high
April Weather	17°C (62°F)	139 mm (5.5 inches)	79%	very high
May Weather	20°C (69°F)	218 mm (8.6 inches)	83%	extreme
June Weather	23°C (74°F)	299 mm (11.8 inches)	86%	extreme
July Weather	26°C (80°F)	332 mm (13.1 inches)	90%	extreme
August Weather	28°C (82°F)	236 mm (9.3 inches)	85%	extreme
September Weather	26°C (78°F)	317 mm (12.5 inches)	80%	extreme
October Weather	22°C (71°F)	223 mm (8.8 inches)	78%	very high
November Weather	17°C (63°F)	88 mm (3.4 inches)	76%	high
December Weather	12°C (54°F)	68 mm (2.7 inches)	74%	moderate