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December Weather in Lacolle, Canada

Last updated: June 18, 2025

In December, the average temperature in Lacolle, Canada hovers around -3°C (27°F). Minimum temperatures can plummet to -25°C (-14°F), while maximums can reach a milder 14°C (58°F). Expect precipitation of 77 mm (3.0 in) spread across 13 days, coupled with a high average humidity of 89%.

December Temperature in Lacolle

In December, in Lacolle, the average temperature is -3°C (27°F). Maximums can reach 14°C (58°F), while minimums can drop as low as -25°C (-14°F). Be sure to pack warm layers to stay comfortable during your travels!

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

The chart illustrates December temperature patterns in Lacolle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lacolle, December typically has an average temperature of -3°C (27°F), with highs reaching up to 14°C (58°F) and lows dropping to around -25°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec202230435666727062513627
Data source: Temperature data for Lacolle 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 Lacolle

In Lacolle in December, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

December Precipitation Trends in Lacolle

The chart displays monthly precipitation patterns in Lacolle, 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 Lacolle, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec817878109911051121067314311677
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lacolle

In Lacolle in December, humidity is 89%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and breath a visible frost as you navigate through the wintery landscape.

December Average Humidity in Lacolle

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

In Lacolle 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 Lacolle, you can visit Hourly UV Index in Lacolle.

Maximum UV Index Levels in Lacolle for December

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

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

This table compares monthly weather conditions in Lacolle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)81 mm (3.2 inches)93%low
February Weather-5°C (23°F)78 mm (3.1 inches)92%moderate
March Weather-1°C (30°F)78 mm (3.1 inches)86%moderate
April Weather6°C (43°F)109 mm (4.3 inches)85%high
May Weather13°C (56°F)91 mm (3.6 inches)80%very high
June Weather19°C (66°F)105 mm (4.1 inches)74%very high
July Weather22°C (72°F)112 mm (4.4 inches)76%very high
August Weather21°C (70°F)106 mm (4.2 inches)75%very high
September Weather17°C (62°F)73 mm (2.9 inches)78%high
October Weather11°C (51°F)143 mm (5.6 inches)86%moderate
November Weather2°C (37°F)116 mm (4.6 inches)88%moderate
December Weather-3°C (27°F)77 mm (3.0 inches)89%low

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