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Saint John's, Newfoundland
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 42 18 19 28 39 49 57 63 63 55 46 36 24
°C 5 -7 -7 -2 3 9 13 17 17 12 7 2 -4
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 50 26 28 36 46 58 66 71 71 63 53 43 32
°C 10 -3 -2 2 7 14 18 21 21 17 11 6 0
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 33 9 10 20 31 41 49 54 54 47 38 29 15
°C 0 -12 -12 -6 0 5 9 12 12 8 3 -1 -9
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 91 55 54 63 72 91 90 89 91 82 75 65 60
°C 32 12 12 17 22 32 32 31 32 27 23 18 15
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 -29 -25 -22 -15 12 24 32 41 37 28 14 3 -29
°C -33 -31 -30 -26 -11 -4 0 5 2 -2 -10 -16 -33
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. 56.2 5.5 4.5 4.4 4.4 4.6 4.1 3.9 3.9 4.3 4.7 5.9 6.2
mm 1427 139 114 111 111 116 104 99 99 109 119 149 157
Years Charted: 44 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 12 13 13 12 12 11 10 10 9 11 12 13 13
km/h 20 22 22 20 20 18 16 16 14 18 20 22 22
Years Charted: 21 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.
% 85 77 76 78 84 88 91 93 93 92 88 84 80
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.
% 67 68 64 63 63 63 66 68 68 69 70 73 73
Years Charted: 20 Source: International Station Meteorological Climate Summary, Version 4.0



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