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January Weather in Karasuyama, Japan

Last updated: August 23, 2025

In January, the average temperature in Karasuyama, Japan hovers around 3°C (37°F). Expect a chilly minimum of -11°C (12°F), with temperatures occasionally reaching a mild 15°C (59°F). During this month, you'll see about 38 mm (1.5 in) of precipitation over 6 days, contributing to an average humidity of 76%.

January Temperature in Karasuyama

In January in Karasuyama, the average temperature is 3°C (37°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Karasuyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karasuyama, January typically has an average temperature of 3°C (37°F), with highs reaching up to 15°C (59°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec373946536369767971615140
Data source: Temperature data for Karasuyama 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 Karasuyama

In Karasuyama in January, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

January Precipitation Trends in Karasuyama

The chart displays monthly precipitation patterns in Karasuyama, 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 Karasuyama, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec38371361201331372261571632115450
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Karasuyama

In Karasuyama in January, humidity is 76%. With an average temperature of 3°C (37°F), this humidity feels like trudging through a cold, damp fog that envelops you, making travel feel heavy and uncomfortable.

January Average Humidity in Karasuyama

This chart illustrates the average monthly humidity levels in Karasuyama, 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 Karasuyama is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Karasuyama

In Karasuyama 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 Karasuyama, you can check the information here.

Maximum UV Index Levels in Karasuyama for January

The chart shows the monthly maximum UV Index (UVI) for Karasuyama 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 Karasuyama typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119653
Data source: Karasuyama 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 Karasuyama Compares to Other Months

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

This table compares monthly weather conditions in Karasuyama, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)38 mm (1.5 inches)76%moderate
February Weather4°C (39°F)37 mm (1.4 inches)75%moderate
March Weather8°C (46°F)136 mm (5.3 inches)72%high
April Weather12°C (54°F)120 mm (4.7 inches)73%very high
May Weather17°C (64°F)133 mm (5.2 inches)80%very high
June Weather21°C (69°F)137 mm (5.4 inches)87%very high
July Weather24°C (76°F)226 mm (8.9 inches)92%extreme
August Weather26°C (79°F)157 mm (6.2 inches)90%extreme
September Weather22°C (71°F)163 mm (6.4 inches)84%very high
October Weather16°C (61°F)210 mm (8.3 inches)80%high
November Weather10°C (51°F)54 mm (2.1 inches)77%moderate
December Weather5°C (41°F)50 mm (2.0 inches)77%moderate

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