Template:Yellowknife weatherbox

Climate data for Yellowknife (Yellowknife Airport)
WMO ID: 71936; coordinates 62°27′46″N 114°26′25″W / 62.46278°N 114.44028°W / 62.46278; -114.44028 (Yellowknife Airport); elevation: 205.7 m (675 ft); 1991–2020 normals, extremes 1942–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high humidex 2.9 6.1 8.9 20.2 25.7 34.0 35.4 34.3 27.2 18.1 6.3 1.6 35.4
Record high °C (°F) 3.4
(38.1)
6.2
(43.2)
9.3
(48.7)
20.4
(68.7)
26.3
(79.3)
31.1
(88.0)
32.5
(90.5)
32.6
(90.7)
26.1
(79.0)
19.0
(66.2)
7.8
(46.0)
2.8
(37.0)
32.6
(90.7)
Mean daily maximum °C (°F) −21.6
(−6.9)
−18.0
(−0.4)
−10.6
(12.9)
0.3
(32.5)
10.4
(50.7)
18.6
(65.5)
21.5
(70.7)
18.4
(65.1)
10.9
(51.6)
1.5
(34.7)
−9.0
(15.8)
−18.0
(−0.4)
0.4
(32.7)
Daily mean °C (°F) −25.5
(−13.9)
−22.7
(−8.9)
−16.6
(2.1)
−5.5
(22.1)
5.3
(41.5)
13.8
(56.8)
17.1
(62.8)
14.5
(58.1)
7.6
(45.7)
−1.0
(30.2)
−12.6
(9.3)
−21.8
(−7.2)
−4.0
(24.8)
Mean daily minimum °C (°F) −29.4
(−20.9)
−27.4
(−17.3)
−22.5
(−8.5)
−11.3
(11.7)
0.1
(32.2)
9.0
(48.2)
12.6
(54.7)
10.5
(50.9)
4.2
(39.6)
−3.6
(25.5)
−16.2
(2.8)
−25.6
(−14.1)
−8.3
(17.1)
Record low °C (°F) −51.2
(−60.2)
−51.2
(−60.2)
−43.3
(−45.9)
−40.6
(−41.1)
−22.8
(−9.0)
−4.4
(24.1)
0.6
(33.1)
−0.6
(30.9)
−9.7
(14.5)
−28.9
(−20.0)
−44.4
(−47.9)
−48.3
(−54.9)
−51.2
(−60.2)
Record low wind chill −64.0 −61.0 −56.8 −53.2 −31.8 −11.2 0.0 −4.8 −16.4 −36.3 −54.7 −58.9 −64.0
Average precipitation mm (inches) 15.0
(0.59)
11.0
(0.43)
14.1
(0.56)
11.6
(0.46)
16.3
(0.64)
28.9
(1.14)
40.4
(1.59)
44.0
(1.73)
43.0
(1.69)
28.8
(1.13)
25.8
(1.02)
15.1
(0.59)
293.9
(11.57)
Average rainfall mm (inches) 0.0
(0.0)
0.0
(0.0)
0.2
(0.01)
2.9
(0.11)
12.2
(0.48)
28.0
(1.10)
40.4
(1.59)
44.0
(1.73)
39.9
(1.57)
12.0
(0.47)
0.5
(0.02)
0.0
(0.0)
180.2
(7.09)
Average snowfall cm (inches) 21.7
(8.5)
16.1
(6.3)
19.2
(7.6)
9.9
(3.9)
4.5
(1.8)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
3.0
(1.2)
20.1
(7.9)
36.9
(14.5)
23.7
(9.3)
155.0
(61.0)
Average precipitation days (≥ 0.2 mm) 11.1 9.3 8.6 4.8 5.7 7.0 9.5 11.2 12.2 13.7 14.6 11.5 119.1
Average rainy days (≥ 0.2 mm) 0.09 0.04 0.25 1.2 4.4 6.8 9.5 11.2 11.6 5.8 0.82 0.13 51.9
Average snowy days (≥ 0.2 cm) 12.4 10.3 9.5 4.1 1.9 0.04 0.0 0.0 1.2 9.6 16.0 13.2 78.2
Average relative humidity (%) (at 15:00 LST) 68.5 64.6 56.4 52.8 46.0 45.3 49.0 57.1 64.7 75.9 80.7 73.0 61.2
Mean monthly sunshine hours 50.6 107.3 188.4 276.4 335.7 373.8 358.0 276.2 157.7 65.0 42.7 24.6 2,256.5
Percent possible sunshine 26.8 43.5 51.8 62.2 60.8 63.0 61.2 55.5 40.3 21.0 20.2 15.4 43.5
Average ultraviolet index 0 0 1 2 4 5 5 4 2 1 0 0 2
Source 1: Environment and Climate Change Canada[1] (sun 1981–2010)[2][3]
Source 2: Weather Atlas[4]

Notes

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References

  1. ^ "Canadian Climate Normals 1991–2020". Environment and Climate Change Canada. Archived from the original on 2024-07-05. Retrieved June 12, 2024.
  2. ^ "Yellowknife A". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. Climate ID: 2204100. Archived from the original on 5 July 2024. Retrieved 10 March 2015.
  3. ^ "Daily Data Report for August 2021". Canadian Climate Data. Environment and Climate Change Canada. Climate ID: 2204101. Retrieved 5 July 2024.
  4. ^ "Yellowknife, Canada - Monthly weather forecast and Climate data". Weather Atlas. Retrieved 3 July 2019.