January Weather in Hanawa, Japan

Last updated: August 23, 2025

In January, the average temperature in Hanawa, Japan hovers around 1°C (35°F), making it a chilly period. Minimum temperatures can plummet to -11°C (13°F), while the maximum may reach a mild 13°C (56°F). Rainfall totals approximately 44 mm (1.7 in) over about 6 days, contributing to an average humidity of 76%. Be prepared for a mix of cold and moisture!

January Temperature in Hanawa

In January in Hanawa, the average temperature is 1°C (35°F). Maximums can reach 13°C (56°F) and minimums can be as low as -11°C (13°F). Travelers should prepare for chilly conditions and possible frost, making warm clothing essential for outdoor activities.

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

The chart illustrates January temperature patterns in Hanawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanawa, January typically has an average temperature of 1°C (35°F), with highs reaching up to 13°C (56°F) and lows dropping to around -11°C (13°F).

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

January Precipitation in Hanawa

In Hanawa in January, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

January Precipitation Trends in Hanawa

The chart displays monthly precipitation patterns in Hanawa, 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 Hanawa, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 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 Hanawa

In Hanawa in January, humidity is 76%. With an average temperature of 1°C (35°F), this humidity feels like a damp chill that clings to your skin, making travel uncomfortable and requiring extra layers to stay warm against the biting cold.

January Average Humidity in Hanawa

This chart illustrates the average monthly humidity levels in Hanawa, 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 Hanawa is approximately 76%, 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 Hanawa

In Hanawa 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 Hanawa, you can check the information here.

Maximum UV Index Levels in Hanawa for January

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

Data source: Hanawa 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 Hanawa Compares to Other Months

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

This table compares monthly weather conditions in Hanawa, 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 (35°F)	44 mm (1.7 inches)	76%	moderate
February Weather	3°C (37°F)	38 mm (1.5 inches)	75%	moderate
March Weather	6°C (44°F)	139 mm (5.5 inches)	72%	high
April Weather	11°C (51°F)	119 mm (4.7 inches)	73%	very high
May Weather	16°C (62°F)	141 mm (5.6 inches)	80%	very high
June Weather	20°C (67°F)	133 mm (5.2 inches)	87%	extreme
July Weather	23°C (75°F)	236 mm (9.3 inches)	92%	extreme
August Weather	25°C (78°F)	149 mm (5.9 inches)	90%	extreme
September Weather	21°C (69°F)	165 mm (6.5 inches)	84%	very high
October Weather	15°C (59°F)	220 mm (8.6 inches)	80%	high
November Weather	9°C (49°F)	53 mm (2.1 inches)	77%	moderate
December Weather	4°C (39°F)	52 mm (2.1 inches)	77%	moderate