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December Weather in Sundre, Canada

Last updated: June 18, 2025

In December, the average temperature in Sundre, Canada hovers around -7°C (20°F), making it a chilly time of year. Expect extreme lows of -39°C (-38°F) and highs reaching up to 13°C (56°F). During this period, 27 mm (1.1 in) of precipitation typically falls over 7 days, contributing to the region's high average humidity of 92%. Prepare for a wintery experience!

December Temperature in Sundre

In December in Sundre, the average temperature is -7°C (20°F), with maximums potentially reaching 13°C (56°F) and minimums plummeting to as low as -39°C (-38°F). Be sure to pack warm clothing if you plan to visit during this time!

December Weather in Sundre: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sundre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sundre, December typically has an average temperature of -7°C (20°F), with highs reaching up to 13°C (56°F) and lows dropping to around -39°C (-38°F).
JanFebMarAprMayJunJulAugSepOctNovDec181225344856605849372819
Data source: Temperature data for Sundre 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 Sundre

In Sundre in December, the precipitation amount is 27 mm (1.1 in) accumulated over 7 days.

December Precipitation Trends in Sundre

The chart displays monthly precipitation patterns in Sundre, 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 Sundre, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec10293351681041076865353227
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sundre

In Sundre in December, humidity is 92%. With an average temperature of -7°C (20°F), this humidity feels like a heavy, icy blanket wrapping around you, making travel uncomfortable as the cold air seems to cling to your skin and create a chilling dampness that seeps into your clothes, leaving you feeling both cold and clammy.

December Average Humidity in Sundre

This chart illustrates the average monthly humidity levels in Sundre, 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 Sundre is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%93%88%84%80%79%80%77%74%80%86%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sundre

In Sundre 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 Sundre.

Maximum UV Index Levels in Sundre for December

The chart shows the monthly maximum UV Index (UVI) for Sundre 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 Sundre typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678987421
Data source: Sundre 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 Sundre Compares to Other Months

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

This table compares monthly weather conditions in Sundre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)10 mm (0.4 inches)91%low
February Weather-11°C (12°F)29 mm (1.1 inches)93%moderate
March Weather-4°C (25°F)33 mm (1.3 inches)88%moderate
April Weather1°C (35°F)51 mm (2.0 inches)84%high
May Weather9°C (49°F)68 mm (2.7 inches)80%high
June Weather13°C (56°F)104 mm (4.1 inches)79%very high
July Weather15°C (60°F)106 mm (4.2 inches)80%very high
August Weather15°C (58°F)68 mm (2.7 inches)77%very high
September Weather9°C (49°F)65 mm (2.6 inches)74%high
October Weather3°C (37°F)35 mm (1.4 inches)80%moderate
November Weather-2°C (28°F)32 mm (1.3 inches)86%low
December Weather-7°C (20°F)27 mm (1.1 inches)92%low

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