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December Weather in Carstairs, Canada

Last updated: June 18, 2025

In Carstairs, Canada, the average temperature in December hovers around -7°C (19°F). Expect extreme variations, with lows plunging to -36°C (-33°F) and highs reaching 14°C (58°F). During this month, precipitation averages 26 mm (1.0 in) over 5 days, while humidity remains high at 92%, creating a brisk yet damp atmosphere.

December Temperature in Carstairs

In December in Carstairs, the average temperature is -7°C (19°F). Maximums can reach 14°C (58°F), while minimums can dip as low as -36°C (-33°F). It's essential to be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Carstairs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carstairs, December typically has an average temperature of -7°C (19°F), with highs reaching up to 14°C (58°F) and lows dropping to around -36°C (-33°F).
JanFebMarAprMayJunJulAugSepOctNovDec181225365058626151382819
Data source: Temperature data for Carstairs 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 Carstairs

In Carstairs in December, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

December Precipitation Trends in Carstairs

The chart displays monthly precipitation patterns in Carstairs, 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 Carstairs, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec92828376295875051313026
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carstairs

In Carstairs in December humidity is 92%. With average temperature -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making each step outside a struggle as the cold lingers in the air and moisture clings to your skin, turning even the briefest outings into a frigid challenge.

December Average Humidity in Carstairs

This chart illustrates the average monthly humidity levels in Carstairs, 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 Carstairs 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 Carstairs

In Carstairs 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 Carstairs.

Maximum UV Index Levels in Carstairs for December

The chart shows the monthly maximum UV Index (UVI) for Carstairs 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 Carstairs typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678886421
Data source: Carstairs 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 Carstairs Compares to Other Months

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

This table compares monthly weather conditions in Carstairs, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)9 mm (0.3 inches)91%low
February Weather-11°C (12°F)28 mm (1.1 inches)93%moderate
March Weather-4°C (25°F)28 mm (1.1 inches)88%moderate
April Weather2°C (36°F)37 mm (1.5 inches)84%high
May Weather10°C (51°F)62 mm (2.5 inches)80%high
June Weather14°C (58°F)95 mm (3.8 inches)79%very high
July Weather17°C (62°F)87 mm (3.4 inches)80%very high
August Weather16°C (61°F)50 mm (2.0 inches)77%very high
September Weather11°C (51°F)51 mm (2.0 inches)74%high
October Weather3°C (38°F)31 mm (1.2 inches)80%moderate
November Weather-2°C (28°F)30 mm (1.2 inches)86%low
December Weather-7°C (19°F)26 mm (1.0 inches)92%low

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