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December Weather in Shawinigan, Canada

Last updated: June 18, 2025

In Shawinigan, Canada, the average temperature in December hovers around -7°C (19°F). However, temperatures can plummet to a chilly -28°C (-18°F) at times, while occasionally reaching a mild 11°C (53°F). Expect precipitation to total 94 mm (3.7 in) over approximately 11 days, and be prepared for the high humidity, averaging around 93%.

December Temperature in Shawinigan

In December in Shawinigan, the average temperature is -7°C (19°F). Maximum temperatures can reach 11°C (53°F), while minimum temperatures can plummet to as low as -28°C (-18°F). Travelers should be prepared for a chilly climate and dress in layers to fully enjoy the winter wonderland.

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

The chart illustrates December temperature patterns in Shawinigan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shawinigan, December typically has an average temperature of -7°C (19°F), with highs reaching up to 11°C (53°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec131626395564706859473119
Data source: Temperature data for Shawinigan 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 Shawinigan

In Shawinigan in December, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

December Precipitation Trends in Shawinigan

The chart displays monthly precipitation patterns in Shawinigan, 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 Shawinigan, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8180871159210386947312011594
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Shawinigan

In Shawinigan in December humidity is 93%. With an average temperature of -7°C (19°F), this humidity feels like an icy grip on the lungs, making travel challenging as each breath draws in the cold, damp air and clings uncomfortably to the skin.

December Average Humidity in Shawinigan

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

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

Maximum UV Index Levels in Shawinigan for December

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

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

This table compares monthly weather conditions in Shawinigan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)80 mm (3.2 inches)95%low
February Weather-9°C (16°F)80 mm (3.2 inches)94%moderate
March Weather-4°C (26°F)87 mm (3.4 inches)90%moderate
April Weather4°C (40°F)115 mm (4.5 inches)86%high
May Weather13°C (55°F)92 mm (3.6 inches)77%very high
June Weather18°C (64°F)103 mm (4.0 inches)71%very high
July Weather21°C (70°F)86 mm (3.4 inches)79%very high
August Weather20°C (68°F)94 mm (3.7 inches)78%very high
September Weather15°C (59°F)73 mm (2.9 inches)78%high
October Weather8°C (47°F)120 mm (4.7 inches)87%moderate
November Weather0°C (32°F)115 mm (4.5 inches)90%moderate
December Weather-7°C (19°F)94 mm (3.7 inches)93%low

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