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January Weather in Sagae, Japan

Last updated: August 23, 2025

In January, the average temperature in Sagae, Japan hovers around -2°C (29°F). Expect chilly days, with temperatures dipping as low as -16°C (4°F) at their coldest and peaking at a mild 8°C (46°F). Rain or snow is likely, bringing about 125 mm (4.9 in) of precipitation over approximately 21 days. Be prepared for a damp atmosphere, as average humidity levels soar to 80%.

January Temperature in Sagae

In January in Sagae, the average temperature is -2°C (29°F), with maximums reaching 8°C (46°F) and minimums dropping as low as -16°C (4°F). Be prepared for cold conditions and pack warm layers when traveling to Sagae during this time.

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

The chart illustrates January temperature patterns in Sagae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sagae, January typically has an average temperature of -2°C (29°F), with highs reaching up to 8°C (46°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec293038475965737567564534
Data source: Temperature data for Sagae 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 Sagae

In Sagae in January, the precipitation amount is 125 mm (4.9 in), occurring over a span of 21 days.

January Precipitation Trends in Sagae

The chart displays monthly precipitation patterns in Sagae, 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 Sagae, January typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec125116119116939823919411015180146
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sagae

In Sagae in January humidity is 80%. With an average temperature of -2°C (29°F), this humidity feels like a heavy, biting chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers to ward off both the cold and the dampness.

January Average Humidity in Sagae

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

In Sagae 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 Sagae, you can check the information here.

Maximum UV Index Levels in Sagae for January

The chart shows the monthly maximum UV Index (UVI) for Sagae 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 Sagae typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119643
Data source: Sagae 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 Sagae Compares to Other Months

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

This table compares monthly weather conditions in Sagae, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)125 mm (4.9 inches)80%moderate
February Weather-1°C (31°F)116 mm (4.5 inches)79%moderate
March Weather4°C (39°F)119 mm (4.7 inches)77%high
April Weather8°C (47°F)116 mm (4.6 inches)75%very high
May Weather15°C (59°F)93 mm (3.7 inches)80%very high
June Weather19°C (66°F)98 mm (3.8 inches)87%very high
July Weather23°C (73°F)239 mm (9.4 inches)92%extreme
August Weather24°C (75°F)194 mm (7.6 inches)92%extreme
September Weather19°C (67°F)110 mm (4.3 inches)86%very high
October Weather13°C (56°F)151 mm (5.9 inches)82%high
November Weather7°C (45°F)80 mm (3.1 inches)79%moderate
December Weather1°C (34°F)146 mm (5.7 inches)80%moderate

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