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December Weather in Beauharnois, Canada

Last updated: June 18, 2025

In December, the average temperature in Beauharnois, Canada hovers around -4°C (25°F), with extremes that can plummet to a chilly -27°C (-16°F) or rise to a mild 14°C (58°F). During this time, expect about 84 mm (3.3 in) of precipitation spread across approximately 12 days, contributing to an average humidity of 89%. Stay warm and prepared!

December Temperature in Beauharnois

In December in Beauharnois, the average temperature is -4°C (25°F). Maximum temperatures can reach 14°C (58°F), while the minimum can drop as low as -27°C (-16°F). Be sure to pack warm clothing for your travels to Beauharnois during this chilly month!

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

The chart illustrates December temperature patterns in Beauharnois, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beauharnois, December typically has an average temperature of -4°C (25°F), with highs reaching up to 14°C (58°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec192129435666727062513625
Data source: Temperature data for Beauharnois 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 Beauharnois

In Beauharnois in December, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

December Precipitation Trends in Beauharnois

The chart displays monthly precipitation patterns in Beauharnois, 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 Beauharnois, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec838384117971051021047013511284
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Beauharnois

In Beauharnois in December humidity is 89%. With an average temperature of -4°C (25°F), this humidity feels like an intense chill that seeps into your bones, making traveling uncomfortable as you navigate through the damp, cold air.

December Average Humidity in Beauharnois

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

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

Maximum UV Index Levels in Beauharnois for December

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

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

This table compares monthly weather conditions in Beauharnois, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)83 mm (3.3 inches)93%low
February Weather-6°C (21°F)83 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)84 mm (3.3 inches)86%moderate
April Weather6°C (43°F)117 mm (4.6 inches)85%high
May Weather13°C (57°F)97 mm (3.8 inches)80%very high
June Weather19°C (67°F)105 mm (4.1 inches)74%very high
July Weather22°C (72°F)102 mm (4.0 inches)76%very high
August Weather21°C (71°F)104 mm (4.1 inches)75%very high
September Weather17°C (62°F)70 mm (2.7 inches)78%high
October Weather10°C (51°F)135 mm (5.3 inches)86%moderate
November Weather2°C (36°F)112 mm (4.4 inches)88%moderate
December Weather-4°C (25°F)84 mm (3.3 inches)89%low

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