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December Weather in North Bay, Canada

Last updated: June 18, 2025

In December, the average temperature in North Bay, Canada hovers around -6°C (21°F). Be prepared for chilly extremes, as temperatures can dip as low as -28°C (-18°F) and occasionally rise to a maximum of 11°C (51°F). During this time, expect about 78 mm (3.1 in) of precipitation spread across 15 days, and a noteworthy average humidity of 94%.

December Temperature in North Bay

In December in North Bay, the average temperature is -6°C (21°F), with maximums reaching up to 11°C (51°F) and minimums plunging as low as -28°C (-18°F). It's essential to pack warm clothing and be prepared for significant temperature fluctuations if you plan to travel during this time.

December Weather in North Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in North Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Bay, December typically has an average temperature of -6°C (21°F), with highs reaching up to 11°C (51°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec151624375263696658473121
Data source: Temperature data for North Bay 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 North Bay

In North Bay, in December, the precipitation amount is 78 mm (3.1 in) over a span of 15 days.

December Precipitation Trends in North Bay

The chart displays monthly precipitation patterns in North Bay, 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 North Bay, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5566569694122971051131228878
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in North Bay

In North Bay 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 North Bay

This chart illustrates the average monthly humidity levels in North Bay, 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 North Bay is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%89%85%74%67%71%71%76%86%90%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in North Bay

In North Bay 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 North Bay, you can visit Hourly UV Index in North Bay.

Maximum UV Index Levels in North Bay for December

The chart shows the monthly maximum UV Index (UVI) for North Bay 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 North Bay typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: North Bay 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 North Bay Compares to Other Months

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

This table compares monthly weather conditions in North Bay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)55 mm (2.1 inches)96%low
February Weather-9°C (16°F)66 mm (2.6 inches)95%moderate
March Weather-4°C (25°F)56 mm (2.2 inches)89%moderate
April Weather3°C (37°F)96 mm (3.8 inches)85%high
May Weather11°C (53°F)94 mm (3.7 inches)74%very high
June Weather17°C (63°F)122 mm (4.8 inches)67%very high
July Weather20°C (69°F)97 mm (3.8 inches)71%very high
August Weather19°C (66°F)105 mm (4.1 inches)71%very high
September Weather14°C (58°F)113 mm (4.5 inches)76%high
October Weather8°C (47°F)122 mm (4.8 inches)86%moderate
November Weather0°C (32°F)88 mm (3.5 inches)90%moderate
December Weather-6°C (21°F)78 mm (3.1 inches)94%low

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