January Weather in Kuromatsunai, Japan

Last updated: August 23, 2025

In January, the average temperature in Kuromatsunai, Japan hovers around -3°C (28°F). Expect chilly conditions, with minimum temperatures plunging to -11°C (12°F) and peaking at 5°C (41°F). This month also sees 117 mm (4.6 in) of precipitation spread over 20 days, contributing to a high average humidity level of 84%.

January Temperature in Kuromatsunai

In January in Kuromatsunai, the average temperature is -3°C (28°F). Maximum temperatures can reach up to 5°C (41°F), while minimum temperatures can drop as low as -11°C (12°F). Travelers should prepare for cold weather and dress warmly to fully enjoy their visit.

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

The chart illustrates January temperature patterns in Kuromatsunai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuromatsunai, January typically has an average temperature of -3°C (28°F), with highs reaching up to 5°C (41°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec272735425158677065554431
Data source: Temperature data for Kuromatsunai 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 Kuromatsunai

In Kuromatsunai in January, the total precipitation amount is 117 mm (4.6 in) over a span of 20 days.

January Precipitation Trends in Kuromatsunai

The chart displays monthly precipitation patterns in Kuromatsunai, 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 Kuromatsunai, January typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec1171141049490119116158151165199197
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Kuromatsunai

In Kuromatsunai in January, humidity is 84%. With an average temperature of -3°C (28°F), this humidity feels like an icy embrace that clings uncomfortably, making travel challenging as it cuts through layers of clothing and creates an unsettling chill that dampens the spirit of exploration.

January Average Humidity in Kuromatsunai

This chart illustrates the average monthly humidity levels in Kuromatsunai, 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 Kuromatsunai is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kuromatsunai

In Kuromatsunai in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Kuromatsunai, you can visit Hourly UV Index in Kuromatsunai.

Maximum UV Index Levels in Kuromatsunai for January

The chart shows the monthly maximum UV Index (UVI) for Kuromatsunai 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 Kuromatsunai typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236791010108532
Data source: Kuromatsunai 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 Kuromatsunai Compares to Other Months

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

This table compares monthly weather conditions in Kuromatsunai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)117 mm (4.6 inches)84%low
February Weather-3°C (28°F)114 mm (4.5 inches)83%moderate
March Weather1°C (35°F)104 mm (4.1 inches)81%high
April Weather5°C (42°F)93 mm (3.7 inches)81%high
May Weather11°C (52°F)90 mm (3.5 inches)86%very high
June Weather15°C (59°F)119 mm (4.7 inches)87%very high
July Weather20°C (67°F)116 mm (4.6 inches)93%very high
August Weather21°C (70°F)158 mm (6.2 inches)95%very high
September Weather19°C (66°F)151 mm (5.9 inches)88%very high
October Weather13°C (56°F)165 mm (6.5 inches)83%moderate
November Weather6°C (44°F)199 mm (7.8 inches)79%moderate
December Weather0°C (31°F)197 mm (7.7 inches)80%low

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