Yellowknife, Northwest Territories H I S T O R I C A L   W E A T H E R   D A T A

	Average Temperature
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. °F 24 -13 -9 1 23 42 55 62 57 45 29 6 -9 °C -4 -25 -22 -17 -5 5 12 16 13 7 -1 -14 -22
		Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0

	Average High Temperature
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. °F 31 -7 -2 10 32 50 63 69 63 50 33 12 -4 °C 0 -21 -18 -12 0 10 17 20 17 10 0 -11 -20
		Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0

	Average Low Temperature
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. °F 16 -21 -18 -9 13 33 47 54 50 39 24 0 -17 °C -8 -29 -27 -22 -10 0 8 12 10 3 -4 -17 -27
		Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0

	Highest Recorded Temperature
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. °F 90 37 41 48 66 77 86 90 88 72 64 41 34 °C 32 2 5 8 18 25 30 32 31 22 17 5 1
		Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0

	Lowest Recorded Temperature
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. °F -54 -54 -53 -44 -27 -2 30 39 32 16 -17 -38 -47 °C -47 -47 -47 -42 -32 -18 -1 3 0 -8 -27 -38 -43
		Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0

	Average Precipitation
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. in. 10.2 0.5 0.5 0.4 0.4 0.6 0.8 1.4 1.5 1.1 1.3 0.9 0.7 mm 259 12 12 10 10 15 20 35 38 27 33 22 17
		Years Charted: 49 Source: International Station Meteorological Climate Summary, Version 4.0

	Average Wind Speed
		Year Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. mph 9 8 9 10 10 10 9 9 9 10 11 10 8 km/h 14 12 14 16 16 16 14 14 14 16 18 16 12
		Years Charted: 20 Source: International Station Meteorological Climate Summary, Version 4.0

	Average Morning Relative Humidity
		Total Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. % 72 65 65 66 71 69 68 73 81 83 84 77 67
		Years Charted: 20 Source: International Station Meteorological Climate Summary, Version 4.0

	Average Afternoon Relative Humidity
		Total Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. % 59 64 62 54 53 46 45 47 53 63 77 76 67
		Years Charted: 20 Source: International Station Meteorological Climate Summary, Version 4.0

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