January weather forecast
Yellowknife, Canada

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Purple and blue colors of a scenic aurora borealis seen in the hilly region of Yellowknife in Canada
Purple and blue colors of a scenic aurora borealis seen in the hilly region of Yellowknife in Canada

Weather in January

January in Yellowknife, Canada, offers a chilly and harsh weather with frosty conditions. The month experiences the coldest period of the year, with the minimum temperature often plunging down to -25.2°C (-13.4°F) and the highest seldom exceeding -18.8°C (-1.8°F). It also characterizes the shortest days in the year, with sunlight only available for approximately six hours a day. Despite the icy grip, the sight of snow is common, much to the delight of winter enthusiasts.

Temperature

January, with its high-temperature average of -18.8°C (-1.8°F) and a low-temperature average of -25.2°C (-13.4°F), is the coldest month.

Humidity

With an average relative humidity of 98%, January is the most humid month in Yellowknife.

Rainfall

In Yellowknife, in January, it is raining for 0.5 days, with typically 10mm (0.39") of accumulated precipitation. In Yellowknife, during the entire year, the rain falls for 70.2 days and collects up to 207mm (8.15") of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In January, it is snowing for 15.3 days. Throughout January, 78mm (3.07") of snow is accumulated. Throughout the year, there are 112.8 snowfall days, and 564mm (22.2") of snow is accumulated.

Daylight

The average length of the day in January is 6h and 12min.
On the first day of the month, sunrise is at 10:05 am and sunset at 3:16 pm. On the last day of January, in Yellowknife, Canada, sunrise is at 9:08 am and sunset at 4:33 pm MST.

Sunshine

January and December, with an average of 1h of sunshine, are months with the least sunshine in Yellowknife.

UV index

The months with the lowest UV index in Yellowknife are January through March, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What month is the coldest in Yellowknife?

Yellowknife's coldest weather arrives in January, when temperatures average a high of -18.8°C (-1.8°F) and a low of -25.2°C (-13.4°F).

How cold is January in Yellowknife?

In Yellowknife, -18.8°C (-1.8°F) is the average high-temperature and -25.2°C (-13.4°F) is the average low-temperature during January.

What is the most humid month in Yellowknife?

January is the most humid month in Yellowknife, Canada, with an average relative humidity of 98%.

What is the average humidity in January in Yellowknife?

In January, the average relative humidity in Yellowknife, Canada, is 98%.

How many days does it rain in January in Yellowknife?

In January, in Yellowknife, the rain falls for 0.5 days. Throughout January, 10mm (0.39") of precipitation is accumulated.

How many days does it snow in January in Yellowknife?

In Yellowknife, Canada, during January, snow falls for 15.3 days and regularly aggregates up to 78mm (3.07") of snow.

How many hours of daylight does Yellowknife have in January?

In Yellowknife, Canada, the average day length in January is 6h and 12min.

When is the sunrise / sunset in January in Yellowknife?

On the first day of January in Yellowknife, sunrise is at 10:05 am and sunset at 3:16 pm. On the last day of the month, sunrise is at 9:08 am and sunset at 4:33 pm MST.

What are the months with the least sunshine in Yellowknife?

The months with the least sunshine in Yellowknife are January and December, with an average of 1h of sunshine.

How many hours of sunshine does Yellowknife have in January?

The average sunshine duration in January in Yellowknife, Canada, is 1h.

When is the lowest UV index in Yellowknife?

The months with the lowest UV index in Yellowknife, Canada, are January through March, October through December, with an average maximum UV index of 1.

What is the UV index intensity in January in Yellowknife?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yellowknife, Canada

Average temperature in January - Yellowknife, Canada
  • Average high temperature in January: -18.8°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-18.8°C).

  • Average low temperature in January: -25.2°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-25.2°C).

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Average pressure in January
Yellowknife, Canada

Average pressure in January - Yellowknife, Canada
  • Average pressure in January: 1020mbar

The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is August (1009.9mbar).

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Average wind speed in January
Yellowknife, Canada

Average wind speed in January - Yellowknife, Canada
  • Average wind speed in January: 12.6km/h

The windiest month (with the highest average wind speed) is September (14.9km/h).
The calmest month (with the lowest average wind speed) is February (12.2km/h).

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Average humidity in January
Yellowknife, Canada

Average humidity in January - Yellowknife, Canada
  • Average humidity in January: 98%

The month with the highest relative humidity is January (98%).
The month with the lowest relative humidity is June (52%).

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Average rainfall in January
Yellowknife, Canada

Average rainfall in January - Yellowknife, Canada
  • Average rainfall in January: 10mm

The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is February (4mm).

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Average rainfall days in January
Yellowknife, Canada

Average rainfall days in January - Yellowknife, Canada
  • Average rainfall days in January: 0.5 days

The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is February (0.3 days).

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Average snowfall in January
Yellowknife, Canada

Average snowfall in January - Yellowknife, Canada
  • Average snowfall in January: 78mm

The month with the highest snowfall is November (114mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days in January
Yellowknife, Canada

Average snowfall days in January - Yellowknife, Canada
  • Average snowfall days in January: 15.3 days

The month with the highest number of snowfall days is November (20.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Yellowknife, Canada

Average daylight in January / Average sunshine in January - Yellowknife, Canada
  • Average daylight in January: 6h and 1min

The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).

  • Average sunshine in January: 1h and 0min

The month with the most sunshine is June (Average sunshine: 13h and 6min).
The months with the least sunshine are January and December (Average sunshine: 1h and 0min).

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Average sunshine days in January
Yellowknife, Canada

Average sunshine days in January - Yellowknife, Canada
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (11.5 days).

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Average UV index in January
Yellowknife, Canada

Average UV index in January - Yellowknife, Canada
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in January
Yellowknife, Canada

Average cloud cover in January - Yellowknife, Canada
  • Average cloud cover in January: 87

The months with the most cloud cover are January and December (Cloud cover 87).
The months with the least cloud cover are June and July (Cloud cover 37).

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Average visibility in January
Yellowknife, Canada

Average visibility in January - Yellowknife, Canada
  • Average visibility in January: 5km

The months with the highest visibility are May, June and July (10km).
The months with the lowest visibility are January and February (5km).

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Yellowknife, Canada

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