December Weather in Grande Prairie, Canada

Last updated: June 18, 2025

In December, the average temperature in Grande Prairie, Canada hovers around -10°C (15°F), with extremes ranging from a chilly -39°C (-37°F) to a mild 7°C (46°F). Expect a moderate precipitation of 23 mm (0.9 in) spread over about 7 days, accompanied by a high average humidity of 96%. Bundle up and prepare for some frosty days!

December Temperature in Grande Prairie

In December in Grande Prairie, the average temperature is -10°C (15°F), with maximums reaching up to 7°C (46°F) and minimums plummeting as low as -39°C (-37°F). Travelers should be prepared for extremely cold conditions and ensure they pack appropriate winter gear to stay warm and safe.

December Weather in Grande Prairie: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Grande Prairie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grande Prairie, December typically has an average temperature of -10°C (15°F), with highs reaching up to 7°C (46°F) and lows dropping to around -39°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec141022355159625950372315
Data source: Temperature data for Grande Prairie 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 Grande Prairie

In Grande Prairie in December, the total precipitation amount is 23 mm (0.9 in) over a duration of 7 days.

December Precipitation Trends in Grande Prairie

The chart displays monthly precipitation patterns in Grande Prairie, 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 Grande Prairie, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2229313240711015353425723
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grande Prairie

In Grande Prairie in December, humidity is 96%. With an average temperature of -10°C (15°F), this humidity feels like a chilling mist that clings to your skin, making every breath crisp and biting, and causing everything around you to feel damp and frosty, which can be quite uncomfortable for traveling.

December Average Humidity in Grande Prairie

This chart illustrates the average monthly humidity levels in Grande Prairie, 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 Grande Prairie is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%94%89%85%81%78%84%82%80%86%91%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grande Prairie

In Grande Prairie 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 Grande Prairie.

Maximum UV Index Levels in Grande Prairie for December

The chart shows the monthly maximum UV Index (UVI) for Grande Prairie 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 Grande Prairie typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123577876311
Data source: Grande Prairie 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 Grande Prairie Compares to Other Months

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

This table compares monthly weather conditions in Grande Prairie, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)22 mm (0.9 inches)93%low
February Weather-12°C (10°F)29 mm (1.2 inches)94%low
March Weather-5°C (23°F)31 mm (1.2 inches)89%moderate
April Weather2°C (35°F)32 mm (1.3 inches)85%moderate
May Weather11°C (52°F)40 mm (1.6 inches)81%high
June Weather15°C (59°F)71 mm (2.8 inches)78%high
July Weather17°C (62°F)101 mm (4.0 inches)84%very high
August Weather15°C (60°F)53 mm (2.1 inches)81%high
September Weather10°C (50°F)53 mm (2.1 inches)80%high
October Weather3°C (37°F)42 mm (1.6 inches)86%moderate
November Weather-5°C (23°F)57 mm (2.2 inches)91%low
December Weather-10°C (15°F)23 mm (0.9 inches)96%low

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