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December Weather in Fort McMurray, Canada

Last updated: June 18, 2025

In Fort McMurray, Canada, the average temperature in December hovers around -14°C (7°F), making it a chilly setting. Expect extreme lows of -39°C (-39°F), while temperatures can rise to a maximum of 8°C (46°F). With precipitation totaling 25 mm (1.0 in) over 6 days, it's wise to be prepared for occasional showers. Coupled with an average humidity level of 98%, the air can feel quite humid, adding to the overall wintry atmosphere.

December Temperature in Fort McMurray

In December in Fort McMurray, the average temperature is -14°C (7°F). Maximums can reach 8°C (46°F) and minimums can be as low as -39°C (-39°F). Travelers should prepare for extremely cold conditions and dress accordingly to ensure a safe and enjoyable visit.

December Weather in Fort McMurray: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort McMurray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort McMurray, December typically has an average temperature of -14°C (7°F), with highs reaching up to 8°C (46°F) and lows dropping to around -39°C (-39°F).
JanFebMarAprMayJunJulAugSepOctNovDec431934526164614936187
Data source: Temperature data for Fort McMurray 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.

December Precipitation in Fort McMurray

In Fort McMurray in December, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

December Precipitation Trends in Fort McMurray

The chart displays monthly precipitation patterns in Fort McMurray, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Fort McMurray, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec191618203693937558363325
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort McMurray

In Fort McMurray in December, humidity is 98%. With an average temperature of -14°C (7°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel like an uphill battle against the cold, damp air that clings to your skin.

December Average Humidity in Fort McMurray

This chart illustrates the average monthly humidity levels in Fort McMurray, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Fort McMurray is approximately 98%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%94%92%81%67%60%78%82%82%88%94%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort McMurray

In Fort McMurray in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Fort McMurray.

Maximum UV Index Levels in Fort McMurray for December

The chart shows the monthly maximum UV Index (UVI) for Fort McMurray in December, 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 December, the maximum UV index in Fort McMurray typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Fort McMurray December 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 December Weather in Fort McMurray Compares to Other Months

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

This table compares monthly weather conditions in Fort McMurray, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (4°F)19 mm (0.7 inches)93%low
February Weather-16°C (3°F)16 mm (0.6 inches)94%low
March Weather-7°C (19°F)18 mm (0.7 inches)92%moderate
April Weather1°C (34°F)20 mm (0.8 inches)81%moderate
May Weather11°C (52°F)36 mm (1.4 inches)67%high
June Weather16°C (61°F)93 mm (3.6 inches)60%high
July Weather18°C (64°F)93 mm (3.7 inches)78%high
August Weather16°C (61°F)75 mm (3.0 inches)82%high
September Weather10°C (50°F)58 mm (2.3 inches)82%moderate
October Weather2°C (36°F)36 mm (1.4 inches)88%moderate
November Weather-8°C (18°F)33 mm (1.3 inches)94%low
December Weather-14°C (7°F)25 mm (1.0 inches)98%low

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