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Yellowknife Weather in 2021

Historical record of Yellowknife, Northwest Territories weather for the year 2021 based on NOAA data.
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Year:
2021 Yellowknife Weather Extremes
Highest temperature 32.6 °C August 2
Lowest temperature -45.5 °C February 7
Highest daily low 20.2 °C June 30
Lowest daily high -37.4 °C December 29
Most daily precipitation 1.9 cm June 11
Most daily snow 4.8 cm April 1
Total annual precipitation 20.5 cm -
Total annual snow 85.9 cm -
What was the hottest temperature in Yellowknife in 2021?
The highest temperature recorded in Yellowknife, Northwest Territories in 2021 was 32.6 °C which happened on August 2.
Highest Temperatures: All-Time By Year
Highest Temperatures in Yellowknife in 2021
Rank Temperature Date
1 32.6 °C Aug 2
2 31.0 °C Aug 1
3 29.4 °C Jun 30
4 28.3 °C Jul 31
5 28.2 °C Jun 26
6 28.0 °C Jun 29
7 27.1 °C Jul 10
8 27.0 °C Jul 14
9 26.9 °C Jul 8
10 25.9 °C Jul 30
What was the coldest temperature in Yellowknife in 2021?
The lowest temperature recorded in Yellowknife, Northwest Territories in 2021 was -45.5 °C which happened on Feb 7.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Yellowknife in 2021
Rank Temperature Date
1 -45.5 °C February 7
2 -45.4 °C February 6
3 -42.8 °C February 26
4 -42.5 °C February 28
5 -40.4 °C December 28
6 -40.3 °C December 31
7 -39.9 °C February 5
8 -39.6 °C December 29
9 -39.1 °C December 20
10 -38.8 °C February 8
January 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -18.2 -35.8 0.00 0.0
January 2
 -26.7 -35.5 0.00 0.0
January 3
 -20.7 -26.3 0.00 0.4
January 4
 -20.3 -33.8 0.00 0.4
January 5
 -16.8 -34.5 0.00 0.0
January 6
 -7.2 -16.7 0.12 2.0
January 7
 -17.4 -24.1 0.00 0.0
January 8
 -16.8 -23.8 0.00 0.0
January 9
 -10.1 -17.8 0.00 0.0
January 10
 -12.3 -22.2 0.00 0.0
January 11
 -8.8 -13.5 0.00 0.0
January 12
 -8.6 -18.2 0.00 0.2
January 13
 -7.7 -13.7 0.00 0.0
January 14
 -12.6 -21.2 0.02 0.2
January 15
 -11.7 -21.2 0.09 2.0
January 16
 -12.9 -21.1 0.04 1.0
January 17
 -16.6 -22.0 0.10 1.0
January 18
 -14.5 -18.7 0.00 0.6
January 19
 -8.1 -18.6 0.28 4.4
January 20
 -11.2 -20.6 0.02 0.2
January 21
 -14.6 -33.2 0.00 0.0
January 22
 -24.6 -35.8 0.04 0.8
January 23
 -26.2 -35.6 0.00 0.0
January 24
 -25.2 -32.6 0.00 0.0
January 25
 -28.1 -31.7 0.00 0.0
January 26
 -23.6 -28.9 0.02 1.0
January 27
 -22.8 -26.7 0.08 2.6
January 28
 -23.8 -33.2 0.10 0.8
January 29
 -26.0 -32.9 0.00 0.0
January 30
 -24.1 -31.0 0.00 0.0
January 31
 -19.9 -28.7 0.00 0.0
February 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -19.8 -25.4 0.00 0.0
February 2
 -22.3 -26.3 0.00 0.2
February 3
 -25.6 -29.2 0.04 0.8
February 4
 -29.1 -37.1 0.00 0.0
February 5
 -34.6 -39.9 0.00 0.0
February 6
 -35.4 -45.4 0.00 0.0
February 7
 -34.9 -45.5 0.00 0.0
February 8
 -31.3 -38.8 0.00 0.2
February 9
 -22.7 -31.4 0.02 0.4
February 10
 -21.4 -28.8 0.00 0.0
February 11
 -20.4 -28.9 0.00 0.0
February 12
 -24.0 -33.8 0.00 0.0
February 13
 -21.2 -31.7 0.00 0.0
February 14
 -20.2 -27.7 0.00 0.0
February 15
 -20.8 -30.0 0.00 0.0
February 16
 -25.3 -34.2 0.00 0.0
February 17
 -22.7 -36.5 0.00 0.0
February 18
 -16.8 -24.6 0.00 0.0
February 19
 -11.1 -21.4 0.00 0.0
February 20
 -15.3 -23.2 0.00 0.0
February 21
 -21.2 -31.6 0.00 0.0
February 22
 -22.8 -31.4 0.00 0.0
February 23
 -19.9 -32.9 0.00 0.0
February 24
 -21.4 -32.7 0.00 0.0
February 25
 -21.7 -38.0 0.00 0.0
February 26
 -27.3 -42.8 0.00 0.0
February 27
 -30.0 -38.0 0.00 0.0
February 28
 -26.1 -42.5 0.00 0.0
March 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -18.8 -26.2 0.00 0.0
March 2
 -18.9 -24.4 0.04 0.8
March 3
 -17.3 -25.7 0.00 0.2
March 4
 -17.2 -26.3 0.00 0.0
March 5
 -3.9 -17.5 0.00 0.0
March 6
 -8.3 -15.8 0.00 0.0
March 7
 -10.0 -19.7 0.02 0.4
March 8
 -18.2 -26.7 0.00 0.0
March 9
 -17.9 -33.4 0.00 0.0
March 10
 -16.6 -32.0 0.00 0.0
March 11
 -10.1 -29.4 0.00 0.0
March 12
 -12.5 -20.2 0.00 0.0
March 13
 -17.0 -26.8 0.18 3.0
March 14
 -11.4 -16.7 0.18 2.6
March 15
 -15.9 -24.4 0.06 1.2
March 16
 -10.2 -26.5 0.00 0.0
March 17
 -5.3 -15.5 0.16 2.8
March 18
 -4.2 -13.3 0.00 0.0
March 19
 0.2 -11.3 0.21 4.0
March 20
 -11.1 -20.6 0.06 2.0
March 21
 -17.2 -26.4 0.00 0.0
March 22
 -18.5 -31.3 0.00 0.0
March 23
 -16.7 -25.8 0.00 0.0
March 24
 -12.6 -26.9 0.00 0.0
March 25
 -13.2 -24.4 0.00 0.0
March 26
 -11.9 -27.7 0.00 0.0
March 27
 -3.2 -22.1 0.00 0.0
March 28
 -2.7 -17.8 0.00 0.0
March 29
 -14.1 -24.8 0.00 0.0
March 30
 -13.1 -29.1 0.00 0.0
March 31
 -3.0 -20.6 0.00 0.0
April 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 -6.2 -13.7 0.13 4.8
April 2
 -12.0 -20.2 0.04 2.6
April 3
 -12.3 -23.5 0.00 0.0
April 4
 -3.0 -18.8 0.00 0.0
April 5
 -1.6 -15.6 0.12 1.6
April 6
 -2.3 -12.3 0.18 3.6
April 7
 -6.8 -12.3 0.06 1.0
April 8
 -8.6 -22.1 0.00 0.0
April 9
 -8.4 -23.8 0.00 0.0
April 10
 -11.7 -22.0 0.00 0.0
April 11
 -12.8 -23.9 0.00 0.0
April 12
 -4.7 -26.6 0.00 0.0
April 13
 2.6 -7.0 0.00 0.0
April 14
 6.5 -3.8 0.00 0.0
April 15
 8.0 -6.5 0.00 0.0
April 16
 8.8 -5.9 0.00 0.0
April 17
 2.2 -6.6 0.00 0.0
April 18
 5.0 -3.6 0.00 0.0
April 19
 1.6 -4.4 0.00 0.0
April 20
 9.0 -6.1 0.00 0.0
April 21
 2.3 -8.7 0.00 0.0
April 22
 -7.3 -11.0 0.00 0.0
April 23
 -7.7 -13.0 0.00 0.0
April 24
 -6.7 -17.2 0.00 0.0
April 25
 -12.2 -20.0 0.02 1.0
April 26
 -11.4 -20.1 0.00 0.0
April 27
 -6.7 -21.4 0.00 0.0
April 28
 -3.6 -12.8 0.00 0.0
April 29
 -0.3 -13.1 0.00 0.0
April 30
 1.4 -3.2 0.20 2.4
May 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 0.8 -7.4 0.06 1.0
May 2
 -0.6 -10.4 0.00 0.0
May 3
 4.2 -8.7 0.00 0.0
May 4
 5.5 -5.3 0.00 0.0
May 5
 7.6 -3.7 0.00 0.0
May 6
 13.0 -0.8 0.00 0.0
May 7
 12.8 1.1 0.00 0.0
May 8
 11.7 1.8 0.00 0.0
May 9
 9.7 3.5 0.00 0.0
May 10
 5.8 -1.1 0.00 0.0
May 11
 2.7 -2.3 0.00 0.0
May 12
 11.7 -2.0 0.00 0.0
May 13
 6.2 -4.7 0.02 0.0
May 14
 n/a n/a 0.00 0.0
May 15
 4.0 -3.1 0.08 0.8
May 16
 4.8 -4.6 0.00 0.0
May 17
 6.5 -2.6 0.00 0.0
May 18
 3.8 -7.5 0.00 0.0
May 19
 5.2 -8.0 0.00 0.0
May 20
 8.9 -6.3 0.00 0.0
May 21
 14.0 -1.9 0.00 0.0
May 22
 13.6 3.5 0.00 0.0
May 23
 18.3 3.0 0.00 0.0
May 24
 5.8 -2.9 0.00 0.0
May 25
 8.0 -5.7 0.00 0.0
May 26
 10.4 -3.1 0.00 0.0
May 27
 15.4 4.4 0.05 0.0
May 28
 15.2 2.7 0.00 0.0
May 29
 11.8 2.0 0.00 0.0
May 30
 10.9 2.5 0.00 0.0
May 31
 17.2 2.1 0.00 0.0
June 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 13.5 6.8 0.63 0.0
June 2
 18.1 7.8 0.00 0.0
June 3
 19.5 9.2 0.12 0.0
June 4
 17.7 6.9 0.07 0.0
June 5
 18.4 7.3 0.15 0.0
June 6
 10.3 3.8 0.00 0.0
June 7
 8.4 2.8 0.00 0.0
June 8
 11.0 3.5 0.00 0.0
June 9
 18.4 5.6 0.00 0.0
June 10
 17.1 11.0 0.02 0.0
June 11
 13.0 4.8 1.94 0.0
June 12
 17.0 3.2 0.00 0.0
June 13
 21.4 10.2 0.00 0.0
June 14
 25.3 9.1 0.00 0.0
June 15
 23.5 13.3 0.00 0.0
June 16
 16.9 11.1 0.00 0.0
June 17
 19.2 7.5 0.00 0.0
June 18
 23.9 8.6 0.00 0.0
June 19
 15.4 5.1 0.00 0.0
June 20
 15.8 7.0 0.00 0.0
June 21
 21.4 5.9 0.00 0.0
June 22
 20.1 10.2 0.04 0.0
June 23
 15.5 6.6 0.00 0.0
June 24
 22.3 7.2 0.08 0.0
June 25
 23.7 12.5 0.00 0.0
June 26
 28.2 12.0 0.10 0.0
June 27
 24.8 13.3 0.03 0.0
June 28
 24.6 14.2 0.00 0.0
June 29
 28.0 14.4 0.00 0.0
June 30
 29.4 20.2 0.00 0.0
July 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 23.4 15.4 0.16 0.0
July 2
 23.4 16.0 0.00 0.0
July 3
 19.3 11.2 0.00 0.0
July 4
 18.4 8.0 0.00 0.0
July 5
 19.1 7.2 0.00 0.0
July 6
 20.2 10.5 0.41 0.0
July 7
 24.3 13.4 0.00 0.0
July 8
 26.9 12.3 0.00 0.0
July 9
 25.1 14.8 0.00 0.0
July 10
 27.1 14.1 0.00 0.0
July 11
 25.8 12.2 0.06 0.0
July 12
 24.9 12.4 0.02 0.0
July 13
 23.2 13.1 0.00 0.0
July 14
 27.0 14.1 0.00 0.0
July 15
 18.1 6.6 0.98 0.0
July 16
 12.5 2.5 0.00 0.0
July 17
 15.4 2.4 0.00 0.0
July 18
 18.9 5.2 0.00 0.0
July 19
 19.1 10.1 0.00 0.0
July 20
 23.2 9.5 0.00 0.0
July 21
 22.1 13.3 0.02 0.0
July 22
 n/a n/a 1.83 0.0
July 23
 25.4 13.8 0.53 0.0
July 24
 14.7 8.2 0.00 0.0
July 25
 16.4 5.8 0.00 0.0
July 26
 22.7 10.0 0.13 0.0
July 27
 16.5 8.9 0.00 0.0
July 28
 18.9 10.5 0.04 0.0
July 29
 22.6 11.6 0.00 0.0
July 30
 25.9 12.3 0.00 0.0
July 31
 28.3 15.2 0.00 0.0
August 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 31.0 16.9 0.00 0.0
August 2
 32.6 16.3 0.00 0.0
August 3
 20.6 11.8 0.00 0.0
August 4
 14.6 5.8 0.00 0.0
August 5
 17.4 7.7 0.00 0.0
August 6
 23.5 11.5 0.00 0.0
August 7
 18.9 10.7 0.00 0.0
August 8
 13.4 5.5 0.00 0.0
August 9
 13.6 5.4 0.27 0.0
August 10
 16.1 7.8 0.00 0.0
August 11
 16.6 8.0 0.14 0.0
August 12
 21.2 5.1 0.00 0.0
August 13
 20.6 10.3 0.00 0.0
August 14
 16.0 12.6 0.28 0.0
August 15
 17.9 9.9 0.00 0.0
August 16
 16.3 9.2 0.00 0.0
August 17
 16.6 4.1 0.00 0.0
August 18
 18.0 10.6 0.00 0.0
August 19
 16.9 9.0 0.97 0.0
August 20
 12.9 5.1 0.00 0.0
August 21
 15.3 1.5 0.00 0.0
August 22
 13.9 4.6 0.00 0.0
August 23
 12.8 4.2 0.00 0.0
August 24
 16.2 6.1 0.00 0.0
August 25
 19.7 10.5 0.00 0.0
August 26
 22.0 8.8 0.00 0.0
August 27
 22.0 10.6 0.00 0.0
August 28
 20.5 9.9 0.66 0.0
August 29
 20.9 11.7 0.00 0.0
August 30
 18.5 8.5 0.24 0.0
August 31
 18.6 6.0 0.00 0.0
September 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 18.6 8.6 0.00 0.0
September 2
 18.7 8.9 0.00 0.0
September 3
 13.5 7.0 0.00 0.0
September 4
 19.2 9.5 0.00 0.0
September 5
 17.8 12.4 0.39 0.0
September 6
 17.8 10.6 0.19 0.0
September 7
 16.1 5.8 0.00 0.0
September 8
 14.9 4.1 0.26 0.0
September 9
 11.7 6.3 0.71 0.0
September 10
 12.1 4.5 0.00 0.0
September 11
 10.8 4.8 0.22 0.0
September 12
 11.3 8.1 0.02 0.0
September 13
 15.1 5.8 0.08 0.0
September 14
 11.1 3.9 0.22 0.0
September 15
 10.0 5.1 0.00 0.0
September 16
 9.3 1.3 0.00 0.0
September 17
 9.6 4.3 0.11 0.0
September 18
 11.9 5.4 0.00 0.0
September 19
 11.2 2.5 0.00 0.0
September 20
 9.6 2.4 0.00 0.0
September 21
 11.2 4.2 0.05 0.0
September 22
 10.7 6.5 0.60 0.0
September 23
 9.4 6.1 0.23 0.0
September 24
 8.0 5.1 0.04 0.0
September 25
 8.2 1.4 0.00 0.0
September 26
 7.5 -1.8 0.00 0.0
September 27
 9.8 -1.1 0.00 0.0
September 28
 9.3 4.1 1.03 0.0
September 29
 9.5 4.9 0.02 0.0
September 30
 9.9 3.2 0.13 0.0
October 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 8.5 4.2 0.00 0.0
October 2
 10.8 3.5 0.08 0.0
October 3
 10.9 3.2 0.00 0.0
October 4
 4.3 1.0 0.08 0.0
October 5
 5.6 0.1 0.02 0.0
October 6
 4.2 0.5 0.46 1.0
October 7
 2.8 0.4 0.03 0.0
October 8
 7.3 -2.7 0.00 0.0
October 9
 6.3 -0.5 0.41 0.0
October 10
 4.5 0.8 0.28 0.0
October 11
 1.8 -4.0 0.00 0.0
October 12
 6.7 -4.6 0.00 0.0
October 13
 8.4 3.5 0.00 0.0
October 14
 6.6 0.9 0.00 0.0
October 15
 7.6 0.0 0.00 0.0
October 16
 3.6 -0.3 0.13 0.0
October 17
 2.0 -0.9 0.00 0.0
October 18
 1.4 -4.6 0.00 0.0
October 19
 6.1 -4.1 0.00 0.0
October 20
 6.5 0.3 0.00 0.0
October 21
 6.4 1.4 0.00 0.0
October 22
 7.2 2.0 0.00 0.0
October 23
 5.9 3.8 0.00 0.0
October 24
 5.2 3.8 0.04 0.0
October 25
 5.1 3.2 0.00 0.0
October 26
 4.3 0.9 0.23 0.0
October 27
 3.7 2.0 0.08 0.0
October 28
 2.0 -1.6 0.00 0.0
October 29
 -0.1 -1.9 0.00 0.0
October 30
 -0.9 -4.1 0.00 0.0
October 31
 0.5 -3.9 0.00 0.0
November 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 3.1 -3.0 0.00 0.0
November 2
 2.9 -4.0 0.00 0.0
November 3
 4.5 -4.2 0.00 0.0
November 4
 3.3 -2.3 0.00 0.0
November 5
 -1.6 -4.8 0.00 0.0
November 6
 -0.4 -2.9 0.00 0.0
November 7
 -1.5 -5.6 0.00 0.0
November 8
 -4.7 -11.2 0.06 1.0
November 9
 -4.5 -10.2 0.00 0.0
November 10
 -4.5 -7.8 0.00 0.0
November 11
 -0.3 -4.5 0.12 1.4
November 12
 -0.6 -3.7 0.06 0.6
November 13
 -1.9 -5.9 0.02 0.4
November 14
 -5.9 -10.4 0.00 0.0
November 15
 -9.4 -18.0 0.00 0.0
November 16
 -8.4 -15.4 0.00 0.0
November 17
 -6.3 -9.3 0.03 0.6
November 18
 -5.6 -9.8 0.13 2.8
November 19
 -8.7 -19.7 0.00 0.0
November 20
 -18.5 -24.8 0.00 0.0
November 21
 -14.6 -27.6 0.04 1.0
November 22
 -14.8 -24.7 0.00 0.0
November 23
 -24.7 -29.1 0.00 0.0
November 24
 -15.1 -27.4 0.00 0.0
November 25
 -11.8 -17.6 0.04 0.4
November 26
 -9.4 -16.8 0.21 2.7
November 27
 -16.8 -29.6 0.00 0.0
November 28
 -7.0 -25.3 0.08 2.2
November 29
 -16.2 -31.5 0.02 0.8
November 30
 -24.6 -33.9 0.00 0.0
December 2021 Yellowknife Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 -18.5 -25.1 0.00 0.0
December 2
 -16.2 -21.3 0.00 0.0
December 3
 -17.2 -28.8 0.10 2.4
December 4
 -28.1 -35.9 0.00 0.0
December 5
 -28.7 -33.6 0.00 0.0
December 6
 -23.9 -33.5 0.00 0.0
December 7
 -19.8 -29.0 0.07 0.7
December 8
 -15.4 -20.3 0.10 2.6
December 9
 -20.2 -28.0 0.04 1.0
December 10
 -20.7 -27.3 0.03 0.3
December 11
 n/a n/a 0.20 2.0
December 12
 -12.5 -14.8 0.05 1.0
December 13
 -14.3 -25.5 0.00 0.0
December 14
 -21.9 -28.3 0.00 0.0
December 15
 -21.3 -23.3 0.02 0.4
December 16
 n/a n/a 0.00 0.0
December 17
 -29.8 -37.1 0.00 0.0
December 18
 -26.6 -31.2 0.00 0.4
December 19
 -27.0 -34.0 0.00 0.0
December 20
 -31.0 -39.1 0.00 0.0
December 21
 -27.7 -38.0 0.00 0.4
December 22
 -28.8 -35.8 0.00 0.0
December 23
 -24.8 -28.8 0.10 2.6
December 24
 -25.1 -30.4 0.00 0.2
December 25
 -19.9 -30.1 0.04 0.8
December 26
 -20.6 -34.1 0.04 0.6
December 27
 -28.5 -35.4 0.00 0.0
December 28
 -33.9 -40.4 0.00 0.0
December 29
 -37.4 -39.6 0.00 0.0
December 30
 -29.1 -38.3 0.02 0.6
December 31
 -29.0 -40.3 0.00 0.0
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