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December Weather in Saint-Mathieu-de-Rioux, Canada

Last updated: June 18, 2025

In December, the average temperature in Saint-Mathieu-de-Rioux, Canada hovers around -6°C (21°F). Expect chilly nights with minimums reaching as low as -19°C (-3°F), while daytime highs can peak at a mild 12°C (53°F). Be prepared for 90 mm (3.5 in) of precipitation spread across 13 days, contributing to an average humidity of 94%. Stay warm and dry during this brisk month!

December Temperature in Saint-Mathieu-de-Rioux

In December in Saint-Mathieu-de-Rioux, the average temperature is -6°C (21°F), with maximums reaching 12°C (53°F) and minimums dropping as low as -19°C (-3°F). Be sure to pack warm clothing and be prepared for cold conditions if you plan to travel during this time.

December Weather in Saint-Mathieu-de-Rioux: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Mathieu-de-Rioux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Mathieu-de-Rioux, December typically has an average temperature of -6°C (21°F), with highs reaching up to 12°C (53°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec151624344454595953443121
Data source: Temperature data for Saint-Mathieu-de-Rioux 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 Saint-Mathieu-de-Rioux

In Saint-Mathieu-de-Rioux in December, the precipitation amount is 90 mm (3.5 in) over the course of 13 days.

December Precipitation Trends in Saint-Mathieu-de-Rioux

The chart displays monthly precipitation patterns in Saint-Mathieu-de-Rioux, 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 Saint-Mathieu-de-Rioux, December typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec826680113917259619014211190
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Mathieu-de-Rioux

In Saint-Mathieu-de-Rioux in December humidity is 94%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making every breath crisp and biting, challenging for travelers to navigate the cold and damp environment.

December Average Humidity in Saint-Mathieu-de-Rioux

This chart illustrates the average monthly humidity levels in Saint-Mathieu-de-Rioux, 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 Saint-Mathieu-de-Rioux is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%91%89%82%74%80%83%85%88%89%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Mathieu-de-Rioux

In Saint-Mathieu-de-Rioux in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Saint-Mathieu-de-Rioux.

Maximum UV Index Levels in Saint-Mathieu-de-Rioux for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Mathieu-de-Rioux 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 Saint-Mathieu-de-Rioux typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: Saint-Mathieu-de-Rioux 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 Saint-Mathieu-de-Rioux Compares to Other Months

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

This table compares monthly weather conditions in Saint-Mathieu-de-Rioux, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)82 mm (3.2 inches)94%low
February Weather-9°C (16°F)66 mm (2.6 inches)93%moderate
March Weather-4°C (24°F)80 mm (3.1 inches)91%moderate
April Weather1°C (34°F)112 mm (4.4 inches)89%high
May Weather7°C (44°F)90 mm (3.6 inches)82%very high
June Weather12°C (55°F)72 mm (2.8 inches)74%very high
July Weather15°C (60°F)59 mm (2.3 inches)80%very high
August Weather15°C (59°F)61 mm (2.4 inches)83%very high
September Weather11°C (53°F)90 mm (3.5 inches)85%high
October Weather7°C (44°F)142 mm (5.6 inches)88%moderate
November Weather0°C (31°F)111 mm (4.4 inches)89%low
December Weather-6°C (21°F)90 mm (3.5 inches)94%low

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