5-Day Normals of Meteorological Elements for Hong Kong 1971 - 2000 Mean Mean Wet- Dew Mean Prevailing Mean Mean Max. Mean Min. bulb Point Mean Cloud Daily Wind Wind Pressure Temp. Temp. Temp. Temp. Temp. RH R/F Amount Sunchine Direction Speed (hPa) (deg.C) (deg.C) (deg.C) (deg.C) (deg.C) (%) (mm) (%) (hours) (degree) (km/h) Jan 1-5 1020.3 19.2 16.6 14.6 13.7 10.9 71 1.1 52 5.3 010 25.3 Jan 6-10 1020.3 19.2 16.7 14.6 13.8 11.0 71 0.5 53 5.4 070 23.7 Jan 11-15 1019.8 18.5 16.0 14.0 13.3 10.7 72 0.8 61 4.3 070 26.4 Jan 16-20 1020.0 18.3 15.9 13.9 13.4 11.1 74 0.6 61 4.6 070 25.3 Jan 21-25 1019.8 18.5 16.0 14.0 13.7 11.6 76 1.2 67 4.1 070 25.5 Jan 26-30 1020.5 18.2 15.8 13.9 13.3 11.0 74 0.6 67 4.0 070 25.6 Jan 31-Feb 4 1020.0 17.9 15.5 13.5 13.1 10.8 75 0.8 69 3.8 070 25.2 Feb 5-9 1019.4 17.9 15.5 13.7 13.3 11.3 77 1.9 69 3.8 070 25.2 Feb 10-14 1018.3 19.0 16.6 14.6 14.4 12.6 79 2.0 66 4.2 070 23.4 Feb 15-19 1017.4 19.4 17.0 15.1 15.0 13.3 80 2.3 77 3.0 070 25.0 Feb 20-24 1018.3 18.9 16.6 14.7 14.6 12.7 79 1.9 79 2.7 070 25.5 Feb 25-Mar 1 1018.4 18.5 16.2 14.3 14.2 12.4 80 2.2 81 2.5 070 26.7 Mar 2-6 1018.1 20.0 17.2 15.2 14.9 12.8 77 2.9 72 3.8 070 24.0 Mar 7-11 1016.5 21.0 18.6 16.7 16.6 15.2 82 0.8 77 3.2 070 23.1 Mar 12-16 1015.6 21.5 19.1 17.1 17.4 16.2 84 1.9 82 2.4 060 22.6 Mar 17-21 1015.2 21.7 19.2 17.3 17.4 16.1 83 2.7 82 2.4 070 23.6 Mar 22-26 1015.9 22.0 19.4 17.4 17.5 16.2 82 2.8 82 2.6 070 25.2 Mar 27-31 1014.9 23.0 20.4 18.4 18.5 17.3 83 2.5 80 3.0 070 21.6 Apr 1-5 1014.5 22.6 20.2 18.3 18.3 17.0 83 5.9 85 2.5 070 24.5 Apr 6-10 1013.1 23.8 21.4 19.7 19.8 18.7 86 8.8 85 2.1 070 21.9 Apr 11-15 1013.4 24.5 21.9 20.1 20.0 18.7 83 5.5 81 2.9 080 22.0 Apr 16-20 1012.4 25.9 23.1 21.2 21.1 19.9 83 3.9 78 4.1 070 19.2 Apr 21-25 1012.1 26.7 23.8 21.8 21.7 20.5 83 5.2 75 4.6 070 20.5 Apr 26-30 1011.4 27.1 24.3 22.4 22.4 21.4 84 8.4 78 4.1 080 18.7 May 1-5 1010.5 27.3 24.6 22.7 22.8 21.9 86 11.2 80 3.7 080 20.7 May 6-10 1010.8 27.8 25.1 23.2 23.0 21.9 83 11.3 75 4.6 090 17.8 May 11-15 1010.0 28.5 25.8 24.0 23.7 22.8 84 9.0 76 4.8 090 18.9 May 16-20 1009.1 28.6 26.0 24.1 23.7 22.6 82 11.4 73 5.1 080 23.2 May 21-25 1008.5 28.5 26.1 24.3 23.9 22.9 83 8.4 76 4.1 080 20.8 May 26-30 1007.5 29.2 26.8 24.9 24.7 23.7 84 11.5 78 4.3 090 18.9 May 31-Jun 4 1007.0 29.7 27.2 25.3 25.0 24.1 84 13.9 76 4.8 090 21.8 Jun 5-9 1006.8 29.6 27.2 25.5 25.0 24.0 83 14.5 78 4.4 090 24.3 Jun 10-14 1006.9 30.2 27.6 25.9 25.3 24.2 82 10.6 75 5.4 090 21.9 Jun 15-19 1005.7 30.3 28.1 26.3 25.7 24.7 82 19.3 79 4.8 220 24.8 Jun 20-24 1005.4 31.1 28.6 26.7 26.2 25.2 82 9.8 74 6.0 230 22.9 Jun 25-29 1005.6 31.0 28.5 26.6 26.1 25.0 82 10.8 74 5.9 190 24.2 Jun 30-Jul 4 1006.0 31.3 28.7 26.8 26.2 25.1 81 11.1 71 6.9 220 20.6 Jul 5-9 1006.0 31.4 28.8 26.8 26.1 25.0 80 7.9 67 6.9 230 21.8 Jul 10-14 1005.9 31.5 28.8 26.6 26.1 25.0 81 12.9 68 7.1 230 21.3 Jul 15-19 1005.7 31.5 28.8 26.7 26.1 25.0 81 13.4 65 7.6 230 22.0 Jul 20-24 1005.7 31.3 28.7 26.7 26.2 25.1 81 14.1 69 7.0 230 22.3 Jul 25-29 1004.3 31.0 28.5 26.5 25.9 24.9 81 12.3 69 6.3 230 22.3 Jul 30-Aug 3 1004.3 31.2 28.5 26.5 26.0 25.0 82 16.8 70 6.5 240 21.9 Aug 4-8 1005.0 31.3 28.7 26.6 26.2 25.1 82 9.0 68 6.6 240 18.9 Aug 9-13 1004.6 30.9 28.4 26.4 26.1 25.1 83 16.1 72 5.8 240 22.0 Aug 14-18 1004.9 31.2 28.4 26.2 25.9 24.9 82 15.5 69 6.3 240 18.9 Aug 19-23 1004.9 31.3 28.5 26.4 25.9 24.9 82 15.4 69 6.2 090 21.3 Aug 24-28 1006.1 30.9 28.2 26.2 25.7 24.6 82 15.4 68 5.8 090 19.0 Aug 29-Sep 2 1006.8 31.0 28.3 26.3 25.7 24.6 81 10.3 67 6.0 240 17.1 Sep 3-7 1007.5 30.8 28.2 26.2 25.7 24.6 81 11.0 66 6.2 090 21.1 Sep 8-12 1008.5 30.9 28.1 26.0 25.1 23.8 78 7.9 59 6.6 090 18.3 Sep 13-17 1008.9 30.6 27.9 25.8 24.8 23.3 77 10.5 63 6.0 090 22.3 Sep 18-22 1009.6 29.8 27.4 25.3 24.2 22.7 77 7.9 68 5.2 090 26.7 Sep 23-27 1010.9 29.1 26.7 24.9 23.9 22.5 78 11.2 67 5.0 090 25.9 Sep 28-Oct 2 1011.8 29.1 26.6 24.8 23.7 22.3 78 6.2 61 5.6 090 26.7 Oct 3-7 1012.7 29.1 26.6 24.6 23.2 21.5 74 5.9 55 6.7 090 25.6 Oct 8-12 1013.1 28.5 26.0 24.1 22.4 20.5 72 3.4 55 6.4 090 27.1 Oct 13-17 1013.4 28.1 25.6 23.7 22.2 20.4 74 8.4 59 6.1 080 31.0 Oct 18-22 1014.4 27.2 24.8 22.9 21.5 19.7 74 5.8 58 5.8 080 31.0 Oct 23-27 1015.3 26.7 24.2 22.4 20.8 18.8 72 2.5 61 5.7 080 30.2 Oct 28-Nov 1 1016.3 25.9 23.3 21.3 19.7 17.4 71 2.6 51 6.4 080 27.4 Nov 2-6 1016.7 25.7 23.2 21.3 19.8 17.6 72 1.7 52 6.3 080 27.9 Nov 7-11 1016.6 25.0 22.5 20.6 19.2 17.0 72 1.5 57 5.8 080 28.5 Nov 12-16 1017.9 24.2 21.7 19.7 18.4 16.0 72 1.4 61 5.1 080 27.0 Nov 17-21 1018.7 23.4 20.7 18.6 17.2 14.4 68 0.8 51 6.2 080 28.5 Nov 22-26 1018.9 22.9 20.3 18.2 16.5 13.4 67 0.8 49 6.1 080 27.8 Nov 27-Dec 1 1019.7 22.0 19.3 17.0 15.6 12.4 67 0.9 49 6.1 010 27.4 Dec 2-6 1020.1 21.6 19.0 17.0 15.7 12.9 69 1.6 48 6.0 080 26.6 Dec 7-11 1020.1 21.2 18.6 16.5 15.2 12.2 68 0.7 47 6.3 080 26.1 Dec 12-16 1021.2 20.0 17.5 15.4 14.2 11.3 69 0.8 52 5.3 070 27.0 Dec 17-21 1020.8 20.1 17.6 15.5 14.5 11.7 70 1.3 56 5.1 070 26.8 Dec 22-26 1020.7 19.4 16.8 14.6 13.6 10.3 68 1.0 48 5.7 070 26.0 Dec 27-31 1020.4 19.2 16.7 14.7 13.9 11.0 71 1.4 56 5.0 070 26.1 Note : All measurements were made at the Hong Kong Observatory except sunshine and wind which were recorded at King's Park Meteorological Station and Waglan Island respectively