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December Weather in Cranbrook, Canada

Last updated: June 18, 2025

In Cranbrook, Canada, the average temperature in December hovers around -5°C (23°F). However, be prepared for a wide range, as it can dip to a chilling -30°C (-22°F) and reach a maximum of 9°C (49°F). During this month, expect about 69 mm (2.7 in) of precipitation spread over 12 days, accompanied by high humidity levels at 96%. Stay warm and dry!

December Temperature in Cranbrook

In December in Cranbrook, the average temperature is -5°C (23°F). Maximum temperatures can reach 9°C (49°F), while minimums can drop as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both mild and extremely cold conditions.

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

The chart illustrates December temperature patterns in Cranbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cranbrook, December typically has an average temperature of -5°C (23°F), with highs reaching up to 9°C (49°F) and lows dropping to around -30°C (-22°F).
JanFebMarAprMayJunJulAugSepOctNovDec211731395058666554393223
Data source: Temperature data for Cranbrook 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 Cranbrook

In Cranbrook in December, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.

December Precipitation Trends in Cranbrook

The chart displays monthly precipitation patterns in Cranbrook, 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 Cranbrook, December typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec445648534750232938515769
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cranbrook

In Cranbrook in December humidity is 96%. With an average temperature of -5°C (23°F), this humidity feels like an icy fog that clings to your skin, making it challenging to stay warm and comfortable while traveling.

December Average Humidity in Cranbrook

This chart illustrates the average monthly humidity levels in Cranbrook, 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 Cranbrook is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cranbrook

In Cranbrook 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 Cranbrook.

Maximum UV Index Levels in Cranbrook for December

The chart shows the monthly maximum UV Index (UVI) for Cranbrook 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 Cranbrook typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987421
Data source: Cranbrook 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 Cranbrook Compares to Other Months

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

This table compares monthly weather conditions in Cranbrook, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)44 mm (1.7 inches)95%low
February Weather-8°C (17°F)56 mm (2.2 inches)93%moderate
March Weather-1°C (31°F)48 mm (1.9 inches)91%moderate
April Weather4°C (39°F)53 mm (2.1 inches)88%high
May Weather10°C (51°F)47 mm (1.9 inches)83%very high
June Weather15°C (59°F)50 mm (2.0 inches)80%very high
July Weather19°C (66°F)23 mm (0.9 inches)82%very high
August Weather18°C (65°F)29 mm (1.1 inches)71%very high
September Weather12°C (55°F)38 mm (1.5 inches)71%high
October Weather4°C (40°F)51 mm (2.0 inches)85%moderate
November Weather0°C (32°F)57 mm (2.3 inches)90%low
December Weather-5°C (23°F)69 mm (2.7 inches)96%low

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