Weather in Colchester, Essex, UK.

Yearly summary for 2009

 

  Temperature Humidity Barometric Pressure Rainfall Wind Sun
Month Norm Mean Avg. Max. Avg. Min. Abs. Max. Abs. Min Gnd. Min Air Frosts Mean Max. Min. Mean Max. Min. Norm Total Days Mean Max Dom't Dir'n Norm Hours
January 4.02.55.3-0.3 9.4 -7.7 -6.9 14 87 97 57 1011 1031 965 54.7 60.5 16 6.9 30.4 S-SW 57:18 72:35
February 4.34.47.71.1 15.0 -4.6 -4.1 12 85 96 53 1014 1032 976 37.5 72.1 19 4.4 28.2 NW 75:48 69:21
March 6.66.812.31.3 17.1 -4.8 -3.9 11 77 95 31 1014 1037 980 40.2 43.9 12 6.5 30.5 W-SW 111:12 141:56
April 8.711.116.45.8 19.2 0.0 -1.7 0 76 97 40 1013 1027 995 44.0 20.1 6 6.8 27.0 N 159:06 204:08
May 12.113.318.48.1 23.2 2.1 0.9 0 69 95 42 1017 1032 1001 44.2 34.3 11 10.0 31.4 S-SW 213:36 258:55
June 14.915.821.210.3 27.8 4.7 4.0 0 70 95 34 1017 1029 999 55.6 43.2 12 5.9 25.4 N 208:12 214:07
July 17.817.923.212.6 27.2 8.2 7.8 0 71 95 38 1011 1023 1000 43.0 70.7 19 8.6 27.3 SW 212:54 207:51
August 17.918.824.513.0 29.7 8.4 6.5 0 70 94 38 1015 1023 1003 50.2 20.4 7 6.6 31.6 SW 255:48 210:26
September 15.116.120.711.5 28.2 6.7 # 0 80 # # 1022 1038 993 53.7 35.8 5 # # # 148:36 #
October 11.111.414.97.9 18.6 2.7 4.1 0 81 96 48 1014 1031 994 64.1 55.1 16 0.8 15.1 SE 117:36 #
November 6.98.611.26.1 15.6 1.4 1.8 0 85 96 64 999 1019 980 58.5 141.4 23 1.7 16.1 E 73:12 #
December 5.13.05.20.9 11.3 -4.6 -1.8 13 92 97 74 1003 1031 981 58.2 72.1 25 0.6 9.7 N 52:18 #
                                             
Summary 10.4 10.8 15.1 6.5 29.7 -7.7 -6.9 50 79 97 31 1012 1038 965 603.9 669.6 171 5.4 31.6 SW 1685:36 -

Last frost of spring:     30/03/2009
First frost of autumn:   01/12/2009

The weather station was relocated approximately 3km during September 2009, still within the Myland area of Colchester. Consequently some measurements marked with # were not available for a period of time.  Figures in italics are those or those partly based on figures published in the COL bulletin for the nearby site at Colchester. The elevation of the site prior to location change was 28m and after was 48m. The barometric pressure is corrected to sea level. The weather station was first installed in July 2004. Norm data is taken from the Colchester readings for temperature and rainfall and the Wattisham readings for sunshine time in the 1971-2000 publication by the Climatological Observers Link (COL).

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