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    Monthly means of met. elements at HKIA

    Monthly Means of the Meteorological Elements at Hong Kong International Airport

    January 1998 - December 2024

    		Atmospheric Pressure (MSL) Temperature Dew
    Point    		 Wet
    Bulb    		 Amount of Cloud Relative Humidity Rainfall
    Absolute Maximum* Mean Maximum* Mean Mean Minimum* Absolute Minimum* Diurnal Range
    Month hPa deg C deg C deg C deg C deg C deg C deg C deg C % % mm
    January 1020.2 27.5 19.8 16.8 14.2 2.9 5.6 10.1 13.1 60 67 35.4
    February 1018.7 29.6 21.1 17.9 15.4 6.0 5.7 12.4 14.8 67 72 39.8
    March 1015.8 31.4 23.9 20.6 18.1 7.7 5.7 15.6 17.5 71 74 64.2
    April 1012.7 33.5 27.4 24.2 21.7 12.2 5.7 19.2 20.9 73 75 132.8
    May 1009.1 37.7 30.5 27.3 24.9 16.7 5.5 22.4 23.8 74 75 253.8
    June 1006.0 36.8 32.3 29.3 26.9 20.4 5.4 24.4 25.7 77 76 379.7
    July 1005.4 37.7 33.2 30.0 27.4 23.6 5.8 24.7 26.0 70 74 268.9
    August 1005.2 37.7 32.9 29.6 27.0 23.5 5.9 24.6 25.9 70 75 334.4
    September 1008.6 37.4 32.3 29.0 26.5 20.2 5.8 23.0 24.7 63 71 218.9
    October 1013.8 35.2 29.8 26.6 24.2 15.9 5.7 19.1 21.5 56 65 87.3
    November 1017.1 33.4 26.1 22.8 20.3 8.8 5.8 15.5 18.3 57 65 43.4
    December 1020.3 30.4 21.4 18.2 15.5 4.8 5.8 9.9 13.7 55 61 32.3
    Year 1012.7 37.7 27.6 24.4 21.9 2.9 5.7 18.4 20.5 66 71 1891.0

    * The maximum and minimum temperatures are taken between 0001 Hong Kong Time (1601 UTC) and 2400 Hong Kong Time (1600 UTC).

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