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Guernsey, Channel Islands
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 52 44 43 45 48 53 57 61 62 59 55 50 46
°C 11 6 6 7 8 11 13 16 16 15 12 10 7
Years Charted: 22 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 55 46 46 48 51 57 62 65 66 62 57 52 49
°C 12 7 7 8 10 13 16 18 18 16 13 11 9
Years Charted: 22 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 48 41 40 42 43 48 52 56 57 55 51 47 44
°C 8 5 4 5 6 8 11 13 13 12 10 8 6
Years Charted: 22 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 55 57 63 73 77 86 84 90 80 70 61 61
°C 32 12 13 17 22 25 30 28 32 26 21 16 16
Years Charted: 22 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 19 19 19 30 30 32 43 48 49 46 40 32 30
°C -7 -7 -7 -1 -1 0 6 8 9 7 4 0 -1
Years Charted: 22 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 17 20 16 18 16 14 14 14 13 16 18 19 21
km/h 27 33 25 29 25 24 24 24 22 25 29 31 35
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.
% 87 85 86 88 87 89 90 92 92 89 85 83 84
Years Charted: 22 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.
% 77 82 80 79 73 74 74 75 73 76 77 79 81
Years Charted: 21 Source: International Station Meteorological Climate Summary, Version 4.0



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