January Weather in Tsukawaki, Japan

Last updated: August 23, 2025

In January, the average temperature in Tsukawaki, Japan hovers around 4°C (39°F), with extremes ranging from a chilly -8°C (18°F) to a pleasant 17°C (62°F). Expect 56 mm (2.2 in) of precipitation over about 6 days, contributing to an average humidity level of 75%.

January Temperature in Tsukawaki

In January in Tsukawaki, the average temperature is 4°C (39°F). The maximum can reach 17°C (62°F), while the minimum can drop to as low as -8°C (18°F). Travelers should be prepared for chilly conditions and varying temperatures throughout the day.

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

The chart illustrates January temperature patterns in Tsukawaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsukawaki, January typically has an average temperature of 4°C (39°F), with highs reaching up to 17°C (62°F) and lows dropping to around -8°C (18°F).

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

January Precipitation in Tsukawaki

In Tsukawaki in January, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

January Precipitation Trends in Tsukawaki

The chart displays monthly precipitation patterns in Tsukawaki, 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 Tsukawaki, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 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 Tsukawaki

In Tsukawaki in January humidity is 75%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that can seep into your bones, making outdoor activities less enjoyable and necessitating warm, layered clothing for any travel plans.

January Average Humidity in Tsukawaki

This chart illustrates the average monthly humidity levels in Tsukawaki, 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 Tsukawaki is approximately 75%, 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 Tsukawaki

In Tsukawaki 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 Tsukawaki for better planning.

Maximum UV Index Levels in Tsukawaki for January

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

Data source: Tsukawaki 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 Tsukawaki Compares to Other Months

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

This table compares monthly weather conditions in Tsukawaki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	56 mm (2.2 inches)	75%	moderate
February Weather	5°C (41°F)	80 mm (3.2 inches)	71%	high
March Weather	9°C (49°F)	130 mm (5.1 inches)	71%	very high
April Weather	13°C (57°F)	117 mm (4.6 inches)	78%	extreme
May Weather	18°C (65°F)	165 mm (6.5 inches)	84%	extreme
June Weather	21°C (71°F)	211 mm (8.3 inches)	86%	extreme
July Weather	25°C (77°F)	340 mm (13.4 inches)	92%	extreme
August Weather	26°C (80°F)	252 mm (9.9 inches)	91%	extreme
September Weather	22°C (73°F)	210 mm (8.3 inches)	84%	extreme
October Weather	17°C (63°F)	157 mm (6.2 inches)	83%	very high
November Weather	11°C (52°F)	55 mm (2.2 inches)	81%	high
December Weather	5°C (42°F)	67 mm (2.6 inches)	79%	moderate