December Weather in Watson Lake, Canada

Last updated: June 18, 2025

In December, the average temperature in Watson Lake, Canada hovers around -17°C (1°F), with a minimum plunge to an astonishing -47°C (-52°F) and a maximum reaching 4°C (39°F). Expect 31 mm (1.2 in) of precipitation spread over 8 days, and prepare for the chilling reality of an average humidity of 98%.

December Temperature in Watson Lake

In December in Watson Lake, the average temperature is -17°C (1°F), with a maximum that can reach 4°C (39°F) and a minimum that can drop as low as -47°C (-52°F). Travelers should be well-prepared for extreme cold conditions during this time.

December Weather in Watson Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Watson Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watson Lake, December typically has an average temperature of -17°C (1°F), with highs reaching up to 4°C (39°F) and lows dropping to around -47°C (-52°F).
JanFebMarAprMayJunJulAugSepOctNovDec-121732495862584834111
Data source: Temperature data for Watson Lake 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 Watson Lake

In Watson Lake in December, the precipitation amount is 31 mm (1.2 in) over the course of 8 days.

December Precipitation Trends in Watson Lake

The chart displays monthly precipitation patterns in Watson Lake, 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 Watson Lake, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec262429203472547932415031
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Watson Lake

In Watson Lake in December, humidity is 98%. With an average temperature of -17°C (1°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making it difficult to stay warm and comfortable while traveling.

December Average Humidity in Watson Lake

This chart illustrates the average monthly humidity levels in Watson Lake, 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 Watson Lake is approximately 98%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%96%94%93%89%86%84%89%89%94%98%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Watson Lake

In Watson Lake 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 Watson Lake.

Maximum UV Index Levels in Watson Lake for December

The chart shows the monthly maximum UV Index (UVI) for Watson Lake 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 Watson Lake typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466764211
Data source: Watson Lake 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 Watson Lake Compares to Other Months

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

This table compares monthly weather conditions in Watson Lake, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (-1°F)26 mm (1.0 inches)96%low
February Weather-17°C (2°F)24 mm (0.9 inches)96%low
March Weather-8°C (17°F)28 mm (1.1 inches)94%moderate
April Weather0°C (32°F)20 mm (0.8 inches)93%moderate
May Weather9°C (49°F)34 mm (1.4 inches)89%high
June Weather14°C (58°F)72 mm (2.8 inches)86%high
July Weather16°C (62°F)54 mm (2.1 inches)84%high
August Weather14°C (58°F)78 mm (3.1 inches)89%high
September Weather9°C (48°F)32 mm (1.3 inches)89%moderate
October Weather1°C (34°F)40 mm (1.6 inches)94%low
November Weather-12°C (11°F)50 mm (2.0 inches)98%low
December Weather-17°C (1°F)31 mm (1.2 inches)98%low

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