January Weather in Mizunami, Japan

Last updated: August 23, 2025

In January, the average temperature in Mizunami, Japan is a brisk 4°C (39°F). Experience a chill as lows can dip to -5°C (24°F), while the mercury may rise to a comfortable 15°C (59°F). Expect about 60 mm (2.4 in) of precipitation over 7 days, with an average humidity of 82%, ensuring a refreshing atmosphere.

January Temperature in Mizunami

In January in Mizunami, the average temperature is 4°C (39°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -5°C (24°F). Be sure to pack layers and warm clothing for your travels, as temperatures can vary significantly throughout the day.

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

The chart illustrates January temperature patterns in Mizunami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mizunami, January typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (59°F) and lows dropping to around -5°C (24°F).

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

January Precipitation in Mizunami

In Mizunami in January, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.

January Precipitation Trends in Mizunami

The chart displays monthly precipitation patterns in Mizunami, 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 Mizunami, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 7 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 Mizunami

In Mizunami in January, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

January Average Humidity in Mizunami

This chart illustrates the average monthly humidity levels in Mizunami, 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 Mizunami 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 Mizunami

In Mizunami 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 Mizunami for better planning.

Maximum UV Index Levels in Mizunami for January

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

Data source: Mizunami 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 Mizunami Compares to Other Months

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

This table compares monthly weather conditions in Mizunami, 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)	60 mm (2.4 inches)	82%	moderate
February Weather	4°C (40°F)	71 mm (2.8 inches)	79%	high
March Weather	9°C (48°F)	151 mm (5.9 inches)	74%	very high
April Weather	13°C (56°F)	175 mm (6.9 inches)	76%	very high
May Weather	18°C (65°F)	205 mm (8.1 inches)	83%	extreme
June Weather	22°C (71°F)	204 mm (8.0 inches)	87%	extreme
July Weather	25°C (78°F)	431 mm (17.0 inches)	93%	extreme
August Weather	27°C (81°F)	251 mm (9.9 inches)	91%	extreme
September Weather	23°C (74°F)	238 mm (9.4 inches)	87%	very high
October Weather	18°C (64°F)	239 mm (9.4 inches)	85%	high
November Weather	11°C (53°F)	69 mm (2.7 inches)	83%	moderate
December Weather	6°C (43°F)	66 mm (2.6 inches)	83%	moderate