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December Weather in Killam, Canada

Last updated: June 18, 2025

In December, the average temperature in Killam, Canada hovers around -10°C (15°F), with extreme lows plunging to a frigid -40°C (-41°F), while the occasional warm day can reach up to 7°C (44°F). Expect about 15 mm (0.6 in) of precipitation spread over 4 days, contributing to a notably high average humidity of 92%. Stay warm and prepared for the chilly conditions!

December Temperature in Killam

In December in Killam, the average temperature is -10°C (15°F), with maximums reaching 7°C (44°F) and minimums plummeting to as low as -40°C (-41°F). Be prepared for extreme cold and pack accordingly if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Killam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killam, December typically has an average temperature of -10°C (15°F), with highs reaching up to 7°C (44°F) and lows dropping to around -40°C (-41°F).
JanFebMarAprMayJunJulAugSepOctNovDec12722365260636152372315
Data source: Temperature data for Killam 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 Killam

In Killam in December, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

December Precipitation Trends in Killam

The chart displays monthly precipitation patterns in Killam, 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 Killam, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec141723255391775736272915
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Killam

In Killam in December humidity is 92%. With an average temperature of -10°C (15°F), this humidity feels like stepping into an icy fog where each breath brings a chilling bite and every exposed surface seems to cling with moisture, making travel both disorienting and uncomfortable.

December Average Humidity in Killam

This chart illustrates the average monthly humidity levels in Killam, 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 Killam is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%92%88%80%73%71%80%78%73%78%82%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Killam

In Killam 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 Killam.

Maximum UV Index Levels in Killam for December

The chart shows the monthly maximum UV Index (UVI) for Killam 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 Killam typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Killam 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 Killam Compares to Other Months

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

This table compares monthly weather conditions in Killam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)14 mm (0.5 inches)89%low
February Weather-14°C (8°F)17 mm (0.7 inches)92%moderate
March Weather-6°C (22°F)23 mm (0.9 inches)88%moderate
April Weather2°C (36°F)25 mm (1.0 inches)80%high
May Weather11°C (53°F)53 mm (2.1 inches)73%high
June Weather16°C (60°F)91 mm (3.6 inches)71%very high
July Weather17°C (64°F)77 mm (3.0 inches)80%very high
August Weather16°C (62°F)57 mm (2.2 inches)78%high
September Weather11°C (52°F)35 mm (1.4 inches)73%high
October Weather3°C (38°F)27 mm (1.1 inches)78%moderate
November Weather-5°C (23°F)29 mm (1.2 inches)82%low
December Weather-10°C (15°F)15 mm (0.6 inches)92%low

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