nomadseason

December Weather in Louiseville, Canada

Last updated: June 18, 2025

In Louiseville, Canada, the average temperature in December hovers around -7°C (20°F). You can expect extremes, with minimums plunging to -27°C (-16°F) and maximums reaching up to 11°C (51°F). During this chilly month, the region receives about 95 mm (3.7 in) of precipitation over 11 days, contributing to an average humidity level of 93%. Stay warm and prepared for a wintry experience!

December Temperature in Louiseville

In December in Louiseville, the average temperature is -7°C (20°F). Maximums can reach 11°C (51°F) and minimums can be as low as -27°C (-16°F). Be prepared for a wide range of temperatures when traveling to Louiseville during this month.

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

The chart illustrates December temperature patterns in Louiseville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louiseville, December typically has an average temperature of -7°C (20°F), with highs reaching up to 11°C (51°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec151726405565716860483220
Data source: Temperature data for Louiseville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Louiseville

In Louiseville in December, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.

December Precipitation Trends in Louiseville

The chart displays monthly precipitation patterns in Louiseville, 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 Louiseville, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec83828711692100891036412211595
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Louiseville

In Louiseville in December, humidity is 93%. With an average temperature of -7°C (20°F), this humidity feels like a biting chill that cuts through your layers, making every outdoor adventure feel significantly harsher and requiring extra preparation for comfort during your travels.

December Average Humidity in Louiseville

This chart illustrates the average monthly humidity levels in Louiseville, 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 Louiseville is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%90%86%78%71%79%78%78%87%90%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Louiseville

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

Maximum UV Index Levels in Louiseville for December

The chart shows the monthly maximum UV Index (UVI) for Louiseville 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 Louiseville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Louiseville 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 Louiseville Compares to Other Months

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

This table compares monthly weather conditions in Louiseville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)83 mm (3.3 inches)95%low
February Weather-8°C (17°F)82 mm (3.2 inches)94%moderate
March Weather-3°C (27°F)87 mm (3.4 inches)90%moderate
April Weather4°C (40°F)115 mm (4.5 inches)86%high
May Weather13°C (56°F)92 mm (3.6 inches)77%very high
June Weather18°C (65°F)100 mm (3.9 inches)71%very high
July Weather22°C (71°F)89 mm (3.5 inches)79%very high
August Weather20°C (69°F)103 mm (4.1 inches)78%very high
September Weather15°C (60°F)64 mm (2.5 inches)78%high
October Weather9°C (48°F)122 mm (4.8 inches)87%moderate
November Weather0°C (33°F)115 mm (4.5 inches)90%moderate
December Weather-7°C (20°F)95 mm (3.7 inches)93%low

Compare Louiseville's Climate with Cities Worldwide