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December Weather in Terrebonne, Canada

Last updated: June 18, 2025

In Terrebonne, Canada, the average temperature in December hovers around -6°C (22°F). During this time, you can expect a minimum temperature of -27°C (-16°F) and a maximum of 13°C (57°F). Residents typically experience about 92 mm (3.6 in) of precipitation spread over 11 days, alongside a high average humidity of 89%. Stay warm!

December Temperature in Terrebonne

In December in Terrebonne, the average temperature is -6°C (22°F), with maximums that can reach 13°C (57°F) and minimums that can drop as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Terrebonne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Terrebonne, December typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (57°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec161828425665716960483321
Data source: Temperature data for Terrebonne 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 Terrebonne

In Terrebonne in December, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

December Precipitation Trends in Terrebonne

The chart displays monthly precipitation patterns in Terrebonne, 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 Terrebonne, December typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8486871221001011011027512911392
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Terrebonne

In Terrebonne in December, humidity is 89%. With an average temperature of -6°C (22°F), this humidity feels like an icy blanket clinging to your skin, making travel uncomfortable and the air feel even colder, as if every breath is laced with frost.

December Average Humidity in Terrebonne

This chart illustrates the average monthly humidity levels in Terrebonne, 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 Terrebonne is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Terrebonne

In Terrebonne in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Terrebonne, you can visit Hourly UV Index in Terrebonne.

Maximum UV Index Levels in Terrebonne for December

The chart shows the monthly maximum UV Index (UVI) for Terrebonne 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 Terrebonne typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Terrebonne 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 Terrebonne Compares to Other Months

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

This table compares monthly weather conditions in Terrebonne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)84 mm (3.3 inches)93%low
February Weather-8°C (19°F)86 mm (3.4 inches)92%moderate
March Weather-2°C (28°F)87 mm (3.4 inches)86%moderate
April Weather5°C (42°F)122 mm (4.8 inches)85%high
May Weather13°C (56°F)100 mm (3.9 inches)80%very high
June Weather18°C (65°F)101 mm (4.0 inches)74%very high
July Weather22°C (71°F)101 mm (4.0 inches)76%very high
August Weather20°C (69°F)102 mm (4.0 inches)75%very high
September Weather16°C (61°F)75 mm (3.0 inches)78%high
October Weather9°C (49°F)129 mm (5.1 inches)86%moderate
November Weather1°C (33°F)113 mm (4.5 inches)88%moderate
December Weather-6°C (22°F)92 mm (3.6 inches)89%low

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