Monthly weather forecast and climate
Yellowknife, Canada

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, like December, is a polar cold winter month in Yellowknife, Canada, with average temperature fluctuating between -18.8°C (-1.8°F) and -25.2°C (-13.4°F). The coldest month is January, with an average high-temperature of -18.8°C (-1.8°F) and an average low-temperature of -25.2°C (-13.4°F). Weather in January »

Weather in February

February, the last month of the winter, in Yellowknife, is another polar cold month, with temperature in the range of an average low of -24.8°C (-12.6°F) and an average high of -16.8°C (1.8°F). In February, the average high-temperature is relatively the same as in January - a still arctic cold -16.8°C (1.8°F). Weather in February »

Weather in March

The first month of the spring, March, is a frigid cold month in Yellowknife, Canada, with average temperature fluctuating between -11.1°C (12°F) and -18.8°C (-1.8°F). In March, the average high-temperature rises, from a polar cold -16.8°C (1.8°F) in February, to a frigid cold -11.1°C (12°F). Weather in March »

Weather in April

April is a subzero cold spring month in Yellowknife, Canada, with average temperature varying between -2.5°C (27.5°F) and -9.8°C (14.4°F). In April, the average high-temperature soars, from an extreme cold -11.1°C (12°F) in March, to a freezing cold -2.5°C (27.5°F). Weather in April »

Weather in May

The last month of the spring, May, is a chilly month in Yellowknife, Canada, with average temperature ranging between max 9.8°C (49.6°F) and min 1.6°C (34.9°F). In Yellowknife, Canada, the average high-temperature in May increases considerably, from a freezing cold -2.5°C (27.5°F) in April, to a chilly 9.8°C (49.6°F). Weather in May »

Weather in June

June, the first month of the summer, in Yellowknife, is a comfortable month, with average temperature fluctuating between 17.9°C (64.2°F) and 9.3°C (48.7°F). In June, the average high-temperature soars, from a chilly 9.8°C (49.6°F) in May, to a comfortable 17.9°C (64.2°F). Weather in June »

Weather in July

July in Yellowknife, Canada, is an agreeable summer month, with temperature in the range of an average low of 12°C (53.6°F) and an average high of 20.3°C (68.5°F). With an average high-temperature of 20.3°C (68.5°F) and an average low-temperature of 12°C (53.6°F), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Yellowknife, Canada, with average temperature varying between 10.1°C (50.2°F) and 17.6°C (63.7°F). In Yellowknife, the average high-temperature is essentially the same as in July - an enjoyable 17.6°C (63.7°F). Weather in August »

Weather in September

The first month of the autumn, September, is also a fresh month in Yellowknife, Canada, with average temperature varying between 5.2°C (41.4°F) and 10.8°C (51.4°F). In September, the average high-temperature decreases, from a comfortable 17.6°C (63.7°F) in August, to a cool 10.8°C (51.4°F). Weather in September »

Weather in October

October, the same as September, is a wintry autumn month in Yellowknife, Canada, with temperature in the range of an average low of -2.1°C (28.2°F) and an average high of 1.3°C (34.3°F). In Yellowknife, the average high-temperature plummets, from a cool 10.8°C (51.4°F) in September, to a wintry 1.3°C (34.3°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a subzero cold month in Yellowknife, Canada, with average temperature ranging between max -9.4°C (15.1°F) and min -13.6°C (7.5°F). In November, the average high-temperature significantly decreases, from a wintry 1.3°C (34.3°F) in October, to a freezing cold -9.4°C (15.1°F). Weather in November »

Weather in December

December, the first month of the winter, in Yellowknife, is still a polar cold month, with average temperature ranging between min -22.1°C (-7.8°F) and max -16.7°C (1.9°F). In December, the average high-temperature decreases, from a subzero cold -9.4°C (15.1°F) in November, to a polar cold -16.7°C (1.9°F). Weather in December »
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FAQ

What is the coldest month in Yellowknife?

The coldest month in Yellowknife is January, with an average high-temperature of -18.8°C (-1.8°F) and an average low-temperature of -25.2°C (-13.4°F).

What is the most humid month in Yellowknife?

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

How much does it rain in Yellowknife?

In Yellowknife, during the entire year, the rain falls for 70.2 days and collects up to 207mm (8.15") of precipitation.

When does it snow in Yellowknife?

January through May, September through December are months with snowfall in Yellowknife, Canada.

How much does it snow in Yellowknife?

Throughout the year, there are 112.8 snowfall days, and 564mm (22.2") of snow is accumulated.

What is the month with the least sunshine in Yellowknife?

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

When is the lowest UV index in Yellowknife?

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

What is the driest month in Yellowknife?

February is the month with the least rainfall in Yellowknife, Canada. Rain falls for 0.3 days and accumulates 4mm (0.16") of precipitation.

What is the least humid month in Yellowknife?

June is the least humid month in Yellowknife, with an average relative humidity of 52%.

When it does not snow in Yellowknife?

In Yellowknife snow does not fall in June through August.

When are the longest days in Yellowknife?

June has the longest days of the year in Yellowknife, with an average of 19.8h of daylight.

What month has the most sunshine in Yellowknife?

June has the most sunshine of the year, with an average of 13.1h of sunshine.

What is the month with the highest UV index in Yellowknife?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Yellowknife?

With an average high-temperature of 20.3°C (68.5°F) and an average low-temperature of 12°C (53.6°F), July is the warmest month in Yellowknife.

What is the wettest month in Yellowknife?

The month with the most rainfall in Yellowknife is August when the rain falls for 14.5 days and typically aggregates up to 41mm (1.61") of precipitation.

When does it snow the most in Yellowknife?

November is the month with the most snowfall. Snow falls for 20.3 days and accumulates 114mm (4.49") of snow.

What is the month with the shortest days in Yellowknife?

December has the shortest days of the year, with an average of 5.2h of daylight.

Average temperature
Yellowknife, Canada

Average temperature - Yellowknife, Canada

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).

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
Yellowknife, Canada

Average pressure - Yellowknife, Canada

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
Yellowknife, Canada

Average wind speed - Yellowknife, Canada

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
Yellowknife, Canada

Average humidity - Yellowknife, Canada

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
Yellowknife, Canada

Average rainfall - Yellowknife, Canada

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
Yellowknife, Canada

Average rainfall days - Yellowknife, Canada

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
Yellowknife, Canada

Average snowfall - Yellowknife, Canada

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

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Average snowfall days
Yellowknife, Canada

Average snowfall days - Yellowknife, Canada

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

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Average daylight / Average sunshine
Yellowknife, Canada

Average daylight / Average sunshine - Yellowknife, Canada

The month with the longest days is June (Average daylight: 19.8h).
The month with the shortest days is December (Average daylight: 5.2h).

The month with the most sunshine is June (Average sunshine: 13.1h).
Months with the least sunshine are January and December (Average sunshine: 1).

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Average sunshine days
Yellowknife, Canada

Average sunshine days - Yellowknife, Canada

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
Yellowknife, Canada

Average UV index - Yellowknife, Canada

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

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Average visibility
Yellowknife, Canada

Average visibility - Yellowknife, Canada

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

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