"Monthly Climate Statistics for 'CHRISTMAS ISLAND AERO' [200790]" "Created on [ 22 Oct 2025 13:56:01 UTC]" "200790 CHRISTMAS ISLAND AERO" "Commenced: 1972" "Last Record: 2025" "Latitude: 10.45 Degrees South" "Longitude: 105.69 Degrees East" "Elevation: 261 m" "State: WA" "Statistic Element","January","February","March","April","May","June","July","August","September","October","November","December","Annual","Number of Years","Start Year","End Year" "Mean maximum temperature (°C) for years 1972 to 2025 ",28.1,28.1,28.3,28.3,27.9,27.1,26.3,26.1,26.3,26.9,27.4,27.8,27.4,50,1972,2025 "Highest temperature (°C) for years 1972 to 2025 ",31.4,31.5,31.5,31.4,30.7,29.8,29.3,29.5,30.9,31.4,31.8,31.5,31.8,51,1972,2025 "Date of Highest temperature °C for years 1972 to 2025 ",20 Jan 2019,24 Feb 1983,06 Mar 1983,11 Apr 1983,14 May 2022,14 Jun 2022,01 Jul 2016,19 Aug 1984,11 Sep 1981,18 Oct 1981,30 Nov 1981,27 Dec 2023,30 Nov 1981,N/A,1972,2025 "Lowest maximum temperature (°C) for years 1972 to 2025 ",24.1,24.2,24.6,25.1,24.0,23.4,22.8,22.9,23.0,23.2,23.6,23.4,22.8,51,1972,2025 "Date of Lowest maximum temperature °C for years 1972 to 2025 ",11 Jan 2001,09 Feb 2008,22 Mar 2008,01 Apr 1975,28 May 1977,20 Jun 1976,31 Jul 1976,26 Aug 1992,06 Sep 2018,29 Oct 1975,27 Nov 2000,04 Dec 1981,31 Jul 1976,N/A,1972,2025 "Decile 1 maximum temperature (°C) for years 1972 to 2025 ",26.6,26.5,27.0,27.3,26.8,25.9,25.2,25.1,25.1,25.8,26.1,26.5, ,45,1972,2025 "Decile 9 maximum temperature (°C) for years 1972 to 2025 ",29.2,29.3,29.5,29.3,28.8,28.3,27.3,27.1,27.3,28.0,28.6,28.9, ,45,1972,2025 "Mean number of days >= 30 °C for years 1972 to 2025 ",0.9,1.1,1.1,0.9,0.1,0.0,0.0,0.0,0.0,0.1,0.1,0.6,4.9,51,1972,2025 "Mean number of days >= 35 °C for years 1972 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,51,1972,2025 "Mean number of days >= 40 °C for years 1972 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,51,1972,2025 "Mean minimum temperature (°C) for years 1972 to 2025 ",22.8,22.8,23.1,23.6,23.9,23.3,22.6,22.3,22.3,22.8,22.9,22.7,22.9,50,1972,2025 "Lowest temperature (°C) for years 1972 to 2025 ",18.8,18.4,18.6,18.3,19.3,18.3,16.2,17.7,16.7,18.2,18.0,17.1,16.2,51,1972,2025 "Date of Lowest temperature °C for years 1972 to 2025 ",27 Jan 1982,03 Feb 1989,15 Mar 1982,14 Apr 1978,13 May 1977,02 Jun 2004,11 Jul 1978,04 Aug 1997,14 Sep 1982,21 Oct 1986,11 Nov 1976,20 Dec 2018,11 Jul 1978,N/A,1972,2025 "Highest minimum temperature (°C) for years 1972 to 2025 ",26.1,25.8,26.2,26.7,26.5,25.9,25.4,25.2,24.8,25.5,25.8,25.6,26.7,51,1972,2025 "Date of Highest minimum temperature °C for years 1972 to 2025 ",08 Jan 2016,26 Feb 2019,11 Mar 2016,24 Apr 2020,01 May 2020,26 Jun 1988,06 Jul 2016,04 Aug 1998,21 Sep 1981,24 Oct 1981,29 Nov 2015,21 Dec 2019,24 Apr 2020,N/A,1972,2025 "Decile 1 minimum temperature (°C) for years 1972 to 2025 ",21.3,21.3,21.6,22.0,22.2,21.8,21.3,21.1,21.2,21.7,21.6,20.8, ,44,1972,2025 "Decile 9 minimum temperature (°C) for years 1972 to 2025 ",24.2,24.2,24.6,25.0,25.1,24.6,23.7,23.4,23.2,23.8,24.1,24.1, ,44,1972,2025 "Mean number of days <= 2 °C for years 1972 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,51,1972,2025 "Mean number of days <= 0 °C for years 1972 to 2025 ",0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,51,1972,2025 "Mean daily ground minimum temperature °C for years 1997 to 2004 ", , , , , , , , , , , , , ,7,1997,2004 "Lowest ground temperature °C for years 1997 to 2004 ", , , , , , , , , , , , , ,7,1997,2004 "Date of Lowest ground temperature °C for years 1997 to 2004 ", , , , , , , , , , , , , ,N/A,1997,2004 "Mean number of days ground min. temp. <= -1 °C for years 1997 to 2004 ", , , , , , , , , , , , , ,7,1997,2004 "Mean rainfall (mm) for years 1973 to 2025 ",291.0,349.9,300.9,231.9,190.1,163.7,89.6,41.8,54.8,74.2,171.3,232.5,2189.9,51,1973,2025 "Highest rainfall (mm) for years 1973 to 2025 ",704.6,811.1,696.8,570.1,528.6,708.4,628.2,163.8,702.4,754.4,611.0,758.6,5120.8,51,1973,2025 "Date of Highest rainfall for years 1973 to 2025 ",2011,1975,2001,1991,1978,1978,1998,1978,2016,2016,2016,1989,2016,N/A,1973,2025 "Lowest rainfall (mm) for years 1973 to 2025 ",24.2,59.6,36.4,18.6,14.1,6.8,4.0,1.4,0.0,0.0,0.4,12.0,1066.9,51,1973,2025 "Date of Lowest rainfall for years 1973 to 2025 ",2022,1993,1980,1988,2005,2024,1976,2012,2006,1994,2019,1997,1987,N/A,1973,2025 "Decile 1 monthly rainfall (mm) for years 1800 to 3000 ",113.1,116.8,117.7,55.2,49.6,15.6,10.4,6.0,1.5,0.4,6.1,39.6, ,52,n/a,n/a "Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",271.0,310.6,267.9,209.6,148.9,80.7,49.0,25.8,20.5,28.2,121.2,219.4, ,52,n/a,n/a "Decile 5 (median) monthly rainfall (mm) for years 1800 to 3000 ",453.9,596.2,534.9,407.2,388.4,446.5,204.9,102.4,111.9,222.8,384.1,460.8, ,52,n/a,n/a "Highest daily rainfall (mm) for years 1973 to 2025 ",145.0,186.2,173.2,183.8,171.6,140.0,155.6,57.1,138.8,195.8,212.6,141.2,212.6,51,1973,2025 "Date of Highest daily rainfall for years 1973 to 2025 ",21 Jan 2011,12 Feb 2001,20 Mar 2001,21 Apr 2024,15 May 2004,12 Jun 1998,31 Jul 1978,14 Aug 1993,26 Sep 2016,13 Oct 2016,29 Nov 2017,31 Dec 1998,29 Nov 2017,N/A,1973,2025 "Mean number of days of rain for years 1973 to 2025 ",19.1,20.3,21.6,18.5,16.7,14.0,12.3,10.1,8.5,8.3,12.1,15.9,177.4,52,1973,2025 "Mean number of days of rain >= 1 mm for years 1973 to 2025 ",15.2,16.5,17.5,14.1,11.7,10.2,8.0,6.2,4.9,5.0,8.6,11.8,129.7,51,1973,2025 "Mean number of days of rain >= 10 mm for years 1973 to 2025 ",8.4,9.2,8.4,6.1,4.8,3.9,2.3,1.3,1.2,1.7,3.9,5.8,57.0,51,1973,2025 "Mean number of days of rain >= 25 mm for years 1973 to 2025 ",3.7,4.3,3.7,2.7,2.1,1.8,1.0,0.2,0.6,0.8,2.0,3.0,25.9,51,1973,2025 "Mean daily wind run (km) for years 1995 to 2023 ",269,266,271,332,412,404,482,495,497,460,391,291,381,16,1995,2023 "Maximum wind gust speed (km/h) for years 1972 to 2025 ",87,71,82,70,68,67,63,76,63,74,74,106,106,36,1972,2025 "Date of Maximum wind gust speed for years 1972 to 2025 ",14 Jan 1974,08 Feb 1996,18 Mar 1975,22 Apr 2008,15 May 1996,16 Jun 1996,08 Jul 1997,10 Aug 1996,25 Sep 2016,30 Oct 1995,03 Nov 1995,17 Dec 1980,17 Dec 1980,N/A,1972,2025 "Mean daily sunshine (hours) for years null to null ", , , , , , , , , , , , , ,, , "Mean daily solar exposure (MJ/(m*m)) for years null to null ", , , , , , , , , , , , , ,, , "Mean number of clear days for years 1972 to 2010 ",0.9,0.6,0.5,0.9,1.0,0.3,0.4,0.9,0.5,0.3,0.6,1.0,7.9,28,1972,2010 "Mean number of cloudy days for years 1972 to 2010 ",16.7,15.2,16.3,14.6,15.2,14.4,14.2,15.0,16.4,17.4,16.8,15.8,188.0,28,1972,2010 "Mean daily evaporation (mm) for years 1972 to 1981 ", , , , , , , , , , , , , ,9,1972,1981 "Mean 9am temperature (°C) for years 1972 to 2010 ",25.9,25.7,26.1,26.3,26.0,25.3,24.5,24.2,24.3,25.0,25.4,25.7,25.4,31,1972,2010 "Mean 9am wet bulb temperature (°C) for years 1972 to 2010 ",23.7,23.8,24.2,24.2,23.9,23.2,22.3,21.8,22.0,22.5,22.9,23.2,23.1,31,1972,2010 "Mean 9am dew point temperature (°C) for years 1972 to 2010 ",22.6,22.9,23.3,23.2,22.8,22.2,21.2,20.6,20.7,21.3,21.7,22.0,22.0,31,1972,2010 "Mean 9am relative humidity (%) for years 1972 to 2010 ",82,85,85,84,83,83,82,81,81,80,81,81,82,31,1972,2010 "Mean 9am cloud cover (okas) for years 1972 to 2010 ",5.9,5.8,5.9,5.9,5.7,5.9,5.6,5.7,5.9,6.1,6.1,5.8,5.9,29,1972,2010 "Mean 9am wind speed (km/h) for years 1972 to 2010 ",12.6,11.4,12.5,15.4,17.4,19.1,20.7,21.6,22.1,21.1,18.0,14.1,17.2,35,1972,2010 "Mean 3pm temperature (°C) for years 1972 to 2010 ",26.2,26.2,26.5,26.5,26.2,25.4,24.8,24.4,24.4,24.9,25.4,25.9,25.6,32,1972,2010 "Mean 3pm wet bulb temperature (°C) for years 1972 to 2010 ",23.7,24.0,24.3,24.3,23.9,23.3,22.4,21.9,22.0,22.5,22.9,23.2,23.2,32,1972,2010 "Mean 3pm dew point temperature (°C) for years 1972 to 2010 ",22.5,22.9,23.3,23.2,22.9,22.2,21.3,20.6,20.8,21.3,21.6,21.9,22.0,32,1972,2010 "Mean 3pm relative humidity (%) for years 1972 to 2010 ",81,82,83,83,83,82,81,80,81,80,80,79,81,32,1972,2010 "Mean 3pm cloud cover (oktas) for years 1972 to 2010 ",6.2,6.1,6.0,5.8,5.9,5.9,5.7,5.6,5.9,6.1,6.0,6.0,5.9,29,1972,2010 "Mean 3pm wind speed (km/h) for years 1972 to 2010 ",13.5,13.2,13.3,14.8,16.4,18.0,20.1,21.0,21.2,20.3,17.7,14.3,17.0,31,1972,2010