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January Weather in Port-Cartier, Canada

Last updated: June 18, 2025

In January, the average temperature in Port-Cartier, Canada hovers around -12°C (12°F), making it a notably chilly time of year. Expect temperatures to dip as low as -28°C (-18°F), while occasionally reaching a maximum of 6°C (43°F). During this period, precipitation averages 72 mm (2.8 in) over 9 days, and the average humidity remains high at 93%, creating a crisp and moist atmosphere.

January Temperature in Port-Cartier

In January in Port-Cartier, the average temperature is -12°C (12°F). Maximums can reach 6°C (43°F), while minimums can drop as low as -28°C (-18°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm while exploring the area.

January Weather in Port-Cartier: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Port-Cartier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port-Cartier, January typically has an average temperature of -12°C (12°F), with highs reaching up to 6°C (43°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec111222334455636253433119
Data source: Temperature data for Port-Cartier 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 Port-Cartier

In Port-Cartier in January, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

January Precipitation Trends in Port-Cartier

The chart displays monthly precipitation patterns in Port-Cartier, 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 Port-Cartier, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec726378107837569105145122117109
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Port-Cartier

In Port-Cartier in January, humidity is 93%. With an average temperature of -12°C (12°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the cold air mixes with the dampness, intensifying the chill and making every breath feel heavy and biting.

January Average Humidity in Port-Cartier

This chart illustrates the average monthly humidity levels in Port-Cartier, 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 Port-Cartier is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%91%89%80%69%77%81%82%87%87%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Port-Cartier

In Port-Cartier 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 Port-Cartier, you can visit Hourly UV Index in Port-Cartier.

Maximum UV Index Levels in Port-Cartier for January

The chart shows the monthly maximum UV Index (UVI) for Port-Cartier 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 Port-Cartier typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234799776421
Data source: Port-Cartier 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 Port-Cartier Compares to Other Months

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

This table compares monthly weather conditions in Port-Cartier, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (12°F)72 mm (2.8 inches)93%low
February Weather-11°C (13°F)63 mm (2.5 inches)92%moderate
March Weather-6°C (22°F)78 mm (3.1 inches)91%moderate
April Weather1°C (33°F)107 mm (4.2 inches)89%high
May Weather7°C (44°F)83 mm (3.3 inches)80%very high
June Weather13°C (56°F)75 mm (2.9 inches)69%very high
July Weather17°C (63°F)69 mm (2.7 inches)77%high
August Weather17°C (63°F)105 mm (4.1 inches)81%high
September Weather12°C (53°F)145 mm (5.7 inches)82%high
October Weather6°C (43°F)122 mm (4.8 inches)87%moderate
November Weather-1°C (31°F)117 mm (4.6 inches)87%low
December Weather-7°C (19°F)109 mm (4.3 inches)92%low

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