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January Weather in Mizusawa, Japan

Last updated: August 23, 2025

In January, the average temperature in Mizusawa, Japan hovers around -2°C (30°F), with extreme lows reaching -22°C (-8°F) and highs peaking at 7°C (45°F). Expect 56 mm (2.2 in) of precipitation over approximately 12 days, while average humidity remains high at 80%. Stay warm and prepared for chilly, wet conditions!

January Temperature in Mizusawa

In January in Mizusawa, the average temperature is -2°C (30°F). The maximum can reach 7°C (45°F), while the minimum can drop as low as -22°C (-8°F). Travelers should be prepared for chilly weather with significant temperature fluctuations during this time.

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

The chart illustrates January temperature patterns in Mizusawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mizusawa, January typically has an average temperature of -2°C (30°F), with highs reaching up to 7°C (45°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec293039475864727466554333
Data source: Temperature data for Mizusawa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mizusawa

In Mizusawa in January, the precipitation amount is 56 mm (2.2 in) spread over 12 days.

January Precipitation Trends in Mizusawa

The chart displays monthly precipitation patterns in Mizusawa, 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 Mizusawa, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec56691071191141291821671171545678
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mizusawa

In Mizusawa in January humidity is 80%. With an average temperature of -2°C (30°F), this humidity feels like walking through a heavy, damp fog that clings to your skin, making any outdoor activity feel exhausting and uncomfortable.

January Average Humidity in Mizusawa

This chart illustrates the average monthly humidity levels in Mizusawa, 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 Mizusawa is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mizusawa

In Mizusawa 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 Mizusawa, you can check the information here.

Maximum UV Index Levels in Mizusawa for January

The chart shows the monthly maximum UV Index (UVI) for Mizusawa 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 Mizusawa typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010109643
Data source: Mizusawa 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 Mizusawa Compares to Other Months

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

This table compares monthly weather conditions in Mizusawa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)56 mm (2.2 inches)80%moderate
February Weather-1°C (31°F)69 mm (2.7 inches)79%moderate
March Weather4°C (39°F)106 mm (4.2 inches)77%high
April Weather8°C (47°F)119 mm (4.7 inches)75%very high
May Weather14°C (58°F)114 mm (4.5 inches)80%very high
June Weather18°C (65°F)129 mm (5.1 inches)87%very high
July Weather22°C (72°F)182 mm (7.2 inches)92%very high
August Weather23°C (74°F)167 mm (6.6 inches)92%very high
September Weather19°C (67°F)117 mm (4.6 inches)86%very high
October Weather13°C (55°F)154 mm (6.1 inches)82%high
November Weather6°C (44°F)56 mm (2.2 inches)79%moderate
December Weather1°C (33°F)78 mm (3.1 inches)80%moderate

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