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Climate statistics for Australian locations
Monthly climate statistics
All years of record
PERTH AIRPORT
An extended list of climate statistics recorded is provided below. There is also a summary table for printing with the commonly requested statistics and a map showing the location of this site. Monthly statistics are only included if there are more than 10 years of suitable data.
Note: Many statistics are updated quarterly and recent weather events may not be represented in the statistics below. For more current information on recent extreme values, please refer to the corresponding Daily rainfall, Maximum temperature and Minimum temperature data tables for this site, and our Australian Climate and Weather Extremes Monitoring System. Missing observations associated with the observer being unavailable (where observations are undertaken manually), a failure in the observing equipment, or when an event has produced suspect data may result in an extreme event not being recorded.Site details
| Site name: PERTH AIRPORT | Site number: 009021 | Commenced: 1944 | Map | |
| Latitude: 31.93° S | Longitude: 115.98° E | Elevation: 15 m | Operational status: Open | |
| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||||||
| Maximum temperature | |||||||||||||||||
| Mean maximum temperature (°C) | 31.9 | 32.1 | 29.8 | 25.7 | 21.9 | 19.0 | 18.0 | 18.6 | 20.3 | 22.9 | 26.2 | 29.3 | 24.6 | 81 | 1944 2025 |
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| Highest temperature (°C) | 46.0 | 46.7 | 43.8 | 39.6 | 35.3 | 27.8 | 25.7 | 30.2 | 34.9 | 37.7 | 41.1 | 44.5 | 46.7 | 81 | 1944 2025 |
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| Date | 31 Jan 1991 | 23 Feb 1991 | 10 Mar 2003 | 11 Apr 2020 | 01 May 2002 | 05 Jun 1975 | 21 Jul 1994 | 31 Aug 2023 | 27 Sep 2023 | 26 Oct 1961 | 16 Nov 2019 | 26 Dec 2007 | 23 Feb 1991 | ||||
| Lowest maximum temperature (°C) | 19.7 | 17.1 | 15.8 | 13.9 | 11.7 | 9.4 | 10.7 | 9.9 | 12.7 | 12.3 | 14.2 | 15.2 | 9.4 | 81 | 1944 2025 |
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| Date | 30 Jan 2017 | 09 Feb 2017 | 27 Mar 1968 | 20 Apr 1970 | 23 May 1995 | 26 Jun 1956 | 21 Jul 1978 | 05 Aug 1951 | 24 Sep 1971 | 18 Oct 1947 | 19 Nov 1992 | 17 Dec 1952 | 26 Jun 1956 | ||||
| Decile 1 maximum temperature (°C) | 25.4 | 25.7 | 24.3 | 21.1 | 18.2 | 16.1 | 15.4 | 15.8 | 16.9 | 18.5 | 20.7 | 23.0 | 75 | 1944 2023 |
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| Decile 9 maximum temperature(°C) | 38.5 | 38.3 | 35.6 | 31.0 | 25.8 | 21.9 | 20.6 | 21.7 | 24.3 | 28.3 | 32.7 | 36.3 | 75 | 1944 2023 |
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| Mean number of days ≥ 30 °C | 19.3 | 18.6 | 14.3 | 4.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.3 | 2.1 | 6.7 | 12.7 | 78.8 | 81 | 1944 2025 |
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| Mean number of days ≥ 35 °C | 9.1 | 8.0 | 4.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.6 | 5.0 | 28.7 | 81 | 1944 2025 |
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| Mean number of days ≥ 40 °C | 1.8 | 1.2 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.9 | 4.4 | 81 | 1944 2025 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 17.1 | 17.6 | 16.0 | 13.0 | 10.4 | 9.0 | 8.1 | 8.1 | 8.9 | 10.4 | 12.8 | 15.1 | 12.2 | 81 | 1944 2025 |
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| Lowest temperature (°C) | 6.0 | 5.7 | 3.1 | 1.2 | -0.4 | -1.3 | -1.0 | 0.1 | -0.2 | 1.2 | 3.2 | 4.8 | -1.3 | 81 | 1944 2025 |
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| Date | 25 Jan 2001 | 13 Feb 1981 | 27 Mar 2007 | 27 Apr 1960 | 29 May 1964 | 17 Jun 2006 | 03 Jul 2010 | 15 Aug 2004 | 01 Sep 1956 | 10 Oct 2005 | 18 Nov 2004 | 02 Dec 2002 | 17 Jun 2006 | ||||
| Highest minimum temperature (°C) | 28.5 | 28.7 | 28.6 | 23.9 | 20.8 | 17.7 | 16.2 | 16.7 | 19.2 | 21.3 | 26.3 | 27.5 | 28.7 | 81 | 1944 2025 |
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| Date | 12 Jan 2014 | 26 Feb 1997 | 12 Mar 2010 | 14 Apr 1999 | 08 May 1998 | 15 Jun 1947 | 02 Jul 2014 | 07 Aug 2006 | 30 Sep 2010 | 29 Oct 1979 | 12 Nov 2003 | 29 Dec 2012 | 26 Feb 1997 | ||||
| Decile 1 minimum temperature (°C) | 12.6 | 13.1 | 11.3 | 7.9 | 6.1 | 4.6 | 3.7 | 3.9 | 5.0 | 6.2 | 8.6 | 10.5 | 74 | 1944 2023 |
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| Decile 9 minimum temperature (°C) | 21.8 | 21.9 | 20.4 | 17.7 | 14.8 | 13.0 | 11.9 | 12.0 | 12.7 | 14.5 | 16.8 | 19.4 | 74 | 1944 2023 |
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| Mean number of days ≤ 2 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.6 | 0.8 | 0.6 | 0.2 | 0.0 | 0.0 | 0.0 | 2.4 | 81 | 1944 2025 |
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| Mean number of days ≤ 0 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 81 | 1944 2025 |
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| Ground surface temperature | |||||||||||||||||
| Mean daily ground minimum temperature (°C) | 15.0 | 15.7 | 13.9 | 10.8 | 8.2 | 6.8 | 6.3 | 6.4 | 7.2 | 8.5 | 10.9 | 13.0 | 10.2 | 59 | 1965 2025 |
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| Lowest ground temperature (°C) | 1.7 | 2.5 | -1.0 | -0.1 | -1.3 | -3.6 | -2.4 | -2.1 | -0.5 | -1.6 | 0.2 | 1.3 | -3.6 | 59 | 1965 2025 |
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| Date | 14 Jan 1988 | 15 Feb 1986 | 25 Mar 1991 | 24 Apr 1971 | 27 May 2023 | 27 Jun 1990 | 02 Jul 1990 | 18 Aug 1966 | 07 Sep 2019 | 06 Oct 1994 | 08 Nov 1992 | 06 Dec 1996 | 27 Jun 1990 | ||||
| Mean number of days ground min. temp. ≤ -1 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.8 | 59 | 1965 2025 |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| Rainfall | |||||||||||||||||
| Mean rainfall (mm) | 10.3 | 14.4 | 16.5 | 39.4 | 96.4 | 153.7 | 153.8 | 118.0 | 72.1 | 42.8 | 25.7 | 10.6 | 752.9 | 81 | 1944 2025 |
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| Highest rainfall (mm) | 102.4 | 150.4 | 61.9 | 135.0 | 229.0 | 424.1 | 446.7 | 340.3 | 172.4 | 124.8 | 88.8 | 67.4 | 1164.7 | 81 | 1944 2025 |
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| Date | 2000 | 1992 | 1968 | 2008 | 1967 | 1945 | 1958 | 1955 | 2013 | 1971 | 2020 | 2011 | 1955 | ||||
| Lowest rainfall (mm) | 0.0 | 0.0 | 0.0 | 0.0 | 12.4 | 23.0 | 30.6 | 19.0 | 11.5 | 1.3 | 1.3 | 0.0 | 479.6 | 81 | 1944 2025 |
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| Date | 2023 | 2025 | 2012 | 2024 | 2019 | 2013 | 2012 | 2008 | 1969 | 1969 | 1957 | 2023 | 2006 | ||||
| Decile 1 rainfall (mm) | 0.0 | 0.0 | 0.5 | 4.9 | 33.7 | 68.4 | 84.5 | 53.9 | 33.4 | 13.8 | 5.2 | 0.2 | 81 | n/a n/a |
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| Decile 5 (median) rainfall (mm) | 1.8 | 4.4 | 10.9 | 33.5 | 86.7 | 143.2 | 153.2 | 119.2 | 66.8 | 36.4 | 19.8 | 7.6 | 81 | n/a n/a |
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| Decile 9 rainfall (mm) | 27.4 | 33.4 | 43.2 | 76.4 | 165.9 | 232.0 | 216.9 | 164.9 | 106.3 | 78.8 | 54.1 | 24.8 | 81 | n/a n/a |
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| Highest daily rainfall (mm) | 90.2 | 132.0 | 43.2 | 61.0 | 57.4 | 78.2 | 99.0 | 66.4 | 59.6 | 60.2 | 41.1 | 36.0 | 132.0 | 81 | 1944 2025 |
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| Date | 16 Jan 2018 | 09 Feb 1992 | 23 Mar 2010 | 17 Apr 2002 | 03 May 1947 | 10 Jun 1945 | 30 Jul 2001 | 08 Aug 1977 | 14 Sep 1984 | 18 Oct 1995 | 15 Nov 1948 | 13 Dec 2011 | 09 Feb 1992 | ||||
| Mean number of days of rain | 2.4 | 2.7 | 4.0 | 7.2 | 12.0 | 16.0 | 17.6 | 15.7 | 13.1 | 9.2 | 6.4 | 3.8 | 110.1 | 81 | 1944 2025 |
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| Mean number of days of rain ≥ 1 mm | 1.4 | 1.5 | 2.3 | 5.3 | 9.7 | 13.7 | 14.9 | 13.0 | 10.2 | 6.7 | 4.2 | 2.1 | 85.0 | 81 | 1944 2025 |
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| Mean number of days of rain ≥ 10 mm | 0.2 | 0.4 | 0.5 | 1.2 | 3.4 | 5.3 | 5.9 | 4.2 | 2.4 | 1.2 | 0.8 | 0.3 | 25.8 | 81 | 1944 2025 |
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| Mean number of days of rain ≥ 25 mm | 0.1 | 0.1 | 0.1 | 0.3 | 0.8 | 1.5 | 1.2 | 0.6 | 0.3 | 0.1 | 0.1 | 0.0 | 5.2 | 81 | 1944 2025 |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| Other daily elements | |||||||||||||||||
| Mean daily wind run (km) | 485 | 474 | 444 | 375 | 325 | 323 | 331 | 334 | 370 | 410 | 454 | 484 | 401 | 26 | 1994 2025 |
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| Maximum wind gust speed (km/h) | 113 | 100 | 113 | 115 | 122 | 106 | 124 | 109 | 113 | 98 | 113 | 108 | 124 | 79 | 1944 2025 |
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| Date | 26 Jan 1949 | 21 Feb 2006 | 12 Mar 1969 | 08 Apr 1987 | 28 May 1946 | 28 Jun 1983 | 22 Jul 1990 | 21 Aug 1965 | 24 Sep 1971 | 03 Oct 1962 | 15 Nov 1965 | 16 Dec 1991 | 22 Jul 1990 | ||||
| Mean daily sunshine (hours) | 11.6 | 11.0 | 9.5 | 8.1 | 6.9 | 6.0 | 6.1 | 7.1 | 7.8 | 9.5 | 10.7 | 11.6 | 8.8 | 28 | 1993 2025 |
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| Mean daily solar exposure (MJ/m2) | 29.0 | 25.6 | 20.6 | 15.1 | 11.2 | 9.3 | 9.8 | 12.7 | 16.7 | 22.1 | 26.3 | 29.6 | 19.0 | 35 | 1990 2025 |
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| Mean number of clear days | 18.0 | 16.0 | 15.5 | 10.7 | 8.3 | 6.9 | 6.7 | 8.1 | 9.2 | 11.0 | 11.8 | 16.5 | 138.7 | 66 | 1944 2010 |
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| Mean number of cloudy days | 4.6 | 4.8 | 6.0 | 10.0 | 12.0 | 12.7 | 12.8 | 11.3 | 10.2 | 9.3 | 7.8 | 5.4 | 106.9 | 66 | 1944 2010 |
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| Mean daily evaporation (mm) | 10.2 | 9.6 | 7.7 | 5.0 | 3.0 | 2.2 | 2.1 | 2.6 | 3.7 | 5.4 | 7.6 | 9.1 | 5.7 | 38 | 1981 2024 |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| 9 am conditions | |||||||||||||||||
| Mean 9am temperature (°C) | 23.8 | 23.5 | 21.7 | 18.4 | 15.0 | 12.7 | 11.7 | 12.4 | 14.5 | 17.1 | 20.0 | 22.3 | 17.8 | 66 | 1944 2010 |
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| Mean 9am wet-bulb temperature (°C) | 17.3 | 17.4 | 16.4 | 14.6 | 12.5 | 11.0 | 10.2 | 10.5 | 11.8 | 13.2 | 14.8 | 16.2 | 13.8 | 66 | 1944 2010 |
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| Mean 9am dew-point temperature (°C) | 12.2 | 12.7 | 12.1 | 11.2 | 10.0 | 9.2 | 8.5 | 8.4 | 9.1 | 9.4 | 10.1 | 11.2 | 10.3 | 66 | 1944 2010 |
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| Mean 9am relative humidity (%) | 51 | 53 | 57 | 66 | 74 | 81 | 82 | 78 | 71 | 62 | 55 | 52 | 65 | 66 | 1944 2010 |
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| Mean 9am cloud cover (oktas) | 2.6 | 2.7 | 2.9 | 3.8 | 4.2 | 4.4 | 4.4 | 4.0 | 3.8 | 3.7 | 3.5 | 2.9 | 3.6 | 66 | 1944 2010 |
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| Mean 9am wind speed (km/h) | 17.7 | 17.8 | 16.1 | 13.1 | 11.0 | 10.9 | 10.9 | 11.4 | 13.0 | 14.9 | 16.8 | 16.6 | 14.2 | 67 | 1944 2010 |
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| 9am wind speed vs direction plot |  |
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| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
| 3 pm conditions | |||||||||||||||||
| Mean 3pm temperature (°C) | 29.9 | 30.2 | 28.1 | 24.2 | 20.6 | 17.8 | 16.8 | 17.3 | 18.8 | 21.1 | 24.2 | 27.1 | 23.0 | 66 | 1944 2010 |
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| Mean 3pm wet-bulb temperature (°C) | 19.7 | 19.9 | 18.7 | 16.8 | 14.9 | 13.5 | 12.7 | 12.7 | 13.6 | 14.8 | 16.5 | 18.2 | 16.0 | 66 | 1944 2010 |
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| Mean 3pm dew-point temperature (°C) | 12.2 | 12.3 | 11.5 | 10.8 | 9.7 | 9.4 | 8.5 | 8.0 | 8.6 | 9.2 | 10.0 | 11.3 | 10.1 | 66 | 1944 2010 |
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| Mean 3pm relative humidity (%) | 37 | 37 | 39 | 46 | 53 | 60 | 60 | 56 | 54 | 49 | 44 | 41 | 48 | 66 | 1944 2010 |
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| Mean 3pm cloud cover (oktas) | 2.2 | 2.4 | 3.0 | 4.1 | 4.5 | 4.9 | 5.0 | 4.6 | 4.3 | 3.7 | 3.4 | 2.6 | 3.7 | 66 | 1944 2010 |
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| Mean 3pm wind speed (km/h) | 21.7 | 20.3 | 18.6 | 16.3 | 14.7 | 15.5 | 16.0 | 16.9 | 18.7 | 20.9 | 22.0 | 22.7 | 18.7 | 67 | 1944 2010 |
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| 3pm wind speed vs direction plot | |
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red = highest value
blue = lowest value
Product IDCJCM0039 Prepared at Thu 24 Apr 2025 00:58:35 AM AEST
Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at the site changed. More detailed data for individual sites can be obtained by contacting the Bureau.
Related Links
- This page URL: http://www.bom.gov.au/climate/averages/tables/cw_009021_All.shtml
- Summary statistics and locational map for this site:
http://www.bom.gov.au/climate/averages/tables/cw_009021.shtml - About climate averages: http://www.bom.gov.au/climate/cdo/about/about-stats.shtml
- Data file (csv): http://www.bom.gov.au/clim_data/cdio/tables/text/IDCJCM0039_009021.csv
- Climate averages home page URL: http://www.bom.gov.au/climate/data/index.shtml
- Bureau of Meteorology website: http://www.bom.gov.au
Related information
Maps
- Long term climatology maps for selected elements
- Rainfall maps and temperature maps based on recent observations
Recent observations for this site
- Daily Weather Observations from this site are included in the Daily Weather Observations Millendon (Swan Valley) and Gosnells and Jandakot
Climate outlooks
- Monthly and seasonal climate outlooks
Additional climate information
Page created: Thu 24 Apr 2025 00:58:35 AM AEST