December Weather in Fort Nelson, Canada

Last updated: June 18, 2025

In Fort Nelson, Canada, the average temperature in December hovers around -16°C (3°F), with extremes ranging from a chilling -40°C (-40°F) to a milder 6°C (43°F). During this month, you can expect 18 mm (0.7 in) of precipitation spread over 5 days, accompanied by a notably high average humidity of 97%. Prepare accordingly for the stark winter conditions!

December Temperature in Fort Nelson

In December in Fort Nelson, the average temperature is -16°C (3°F), with maximums reaching 6°C (43°F) and minimums plummeting to as low as -40°C (-40°F). Travelers should prepare for extremely cold conditions and dress warmly to fully enjoy their visit.

December Weather in Fort Nelson: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Nelson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Nelson, December typically has an average temperature of -16°C (3°F), with highs reaching up to 6°C (43°F) and lows dropping to around -40°C (-40°F).
JanFebMarAprMayJunJulAugSepOctNovDec241634525963604935113
Data source: Temperature data for Fort Nelson 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 Fort Nelson

In Fort Nelson in December, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

December Precipitation Trends in Fort Nelson

The chart displays monthly precipitation patterns in Fort Nelson, 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 Fort Nelson, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec22213021391061076930224218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Nelson

In Fort Nelson in December, humidity is 97%. With an average temperature of -16°C (3°F), this humidity feels like an icy blanket enveloping you, making every breath a struggle as the cold air clings to your skin and turns even the simplest outdoor activities into a frigid challenge for travelers.

December Average Humidity in Fort Nelson

This chart illustrates the average monthly humidity levels in Fort Nelson, 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 Fort Nelson is approximately 97%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%88%85%81%80%82%80%83%89%94%97%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Nelson

In Fort Nelson 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 Fort Nelson.

Maximum UV Index Levels in Fort Nelson for December

The chart shows the monthly maximum UV Index (UVI) for Fort Nelson 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 Fort Nelson typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466765311
Data source: Fort Nelson 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 Fort Nelson Compares to Other Months

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

This table compares monthly weather conditions in Fort Nelson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)22 mm (0.9 inches)95%low
February Weather-16°C (4°F)21 mm (0.8 inches)94%low
March Weather-9°C (16°F)30 mm (1.2 inches)88%moderate
April Weather1°C (34°F)21 mm (0.8 inches)84%moderate
May Weather11°C (52°F)38 mm (1.5 inches)81%high
June Weather15°C (60°F)106 mm (4.2 inches)80%high
July Weather17°C (63°F)107 mm (4.2 inches)82%high
August Weather16°C (60°F)69 mm (2.7 inches)80%high
September Weather10°C (50°F)30 mm (1.2 inches)83%moderate
October Weather2°C (35°F)22 mm (0.8 inches)89%moderate
November Weather-11°C (12°F)42 mm (1.7 inches)94%low
December Weather-16°C (3°F)18 mm (0.7 inches)97%low

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