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December Weather in Grimshaw, Canada

Last updated: June 18, 2025

In Grimshaw, Canada, the average temperature in December hovers around -12°C (11°F), making it a chilly time of year. Expect extreme lows of -37°C (-34°F) and highs reaching up to 8°C (47°F). During this month, precipitation averages 22 mm (0.9 in) over about 5 days, while the air remains noticeably damp with an average humidity of 93%.

December Temperature in Grimshaw

In December in Grimshaw, the average temperature is -12°C (11°F). Maximums can reach 8°C (47°F) and minimums can be as low as -37°C (-34°F). Travelers should be prepared for extremely cold weather and dress accordingly to enjoy their trip.

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

The chart illustrates December temperature patterns in Grimshaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grimshaw, December typically has an average temperature of -12°C (11°F), with highs reaching up to 8°C (47°F) and lows dropping to around -37°C (-34°F).
JanFebMarAprMayJunJulAugSepOctNovDec10620345259625949362011
Data source: Temperature data for Grimshaw 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 Grimshaw

In Grimshaw in December, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

December Precipitation Trends in Grimshaw

The chart displays monthly precipitation patterns in Grimshaw, 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 Grimshaw, December typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec202223223274934943333322
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grimshaw

In Grimshaw in December, humidity is 93%. With an average temperature of -12°C (11°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as you struggle against the biting cold and dampness that seeps into your bones.

December Average Humidity in Grimshaw

This chart illustrates the average monthly humidity levels in Grimshaw, 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 Grimshaw is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%94%88%79%71%69%78%76%78%84%87%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grimshaw

In Grimshaw 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 Grimshaw.

Maximum UV Index Levels in Grimshaw for December

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

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

This table compares monthly weather conditions in Grimshaw, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)20 mm (0.8 inches)91%low
February Weather-14°C (7°F)22 mm (0.9 inches)94%low
March Weather-7°C (20°F)23 mm (0.9 inches)88%moderate
April Weather1°C (34°F)21 mm (0.8 inches)79%moderate
May Weather11°C (52°F)32 mm (1.3 inches)71%high
June Weather15°C (60°F)74 mm (2.9 inches)69%high
July Weather17°C (62°F)93 mm (3.7 inches)78%high
August Weather15°C (60°F)49 mm (1.9 inches)76%high
September Weather9°C (49°F)43 mm (1.7 inches)78%moderate
October Weather2°C (36°F)32 mm (1.3 inches)84%moderate
November Weather-7°C (20°F)33 mm (1.3 inches)87%low
December Weather-12°C (11°F)22 mm (0.9 inches)93%low

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