Yellowknife weather in December 2025

Expect daytime maximum temperatures of -20°C in Yellowknife in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 12 days with some rainfall, which might fall as snow.

  • -20°C maximum daytime temperature in December in Yellowknife-20
    -20°C max day temperature
  • 1 hour of sunshine per day
  • 12 days with some rainfall in December in Yellowknife12
    12 days with some rainfall
  • -28°C minimum night-time temperature in December in Yellowknife-28
    -28°C min night temperature
  • 5 hours of daylight per day in December in Yellowknife5
    5 hours of daylight per day
  • No heat & humidity in December in Yellowknife0
    No heat & humidity
  • 15 mm monthly rainfall in December in Yellowknife15
    15 mm of monthly rainfall
  • No UV (maximum) index in December in Yellowknife0
    No UV (Maximum) Index UV index

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The December weather guide for Northwest Territories (Yellowknife) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Yellowknife in December?

Daytime temperatures usually reach -20°C in Yellowknife in December, falling to -28°C at night.

How sunny is it in Yellowknife in December?

There are normally 1 hour of bright sunshine each day in Yellowknife in December - that's 16% of daylight hours.

Does it rain in Yellowknife in December?

There are usually 12 days with some rain in Yellowknife in December and the average monthly rainfall is 15mm. Rain may fall as snow in this month.

Yellowknife December sunrise & sunset times

Browse the sunrise and sunset times for Yellowknife in December 2025. Select a month to view Yellowknife sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 09:37 15:17
Tuesday, 16th December 2025 10:03 15:04
Wednesday, 31st December 2025 10:06 15:16

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