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Climate statistics for Australian locations
Monthly climate statistics
All years of record
DERBY AERO
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: DERBY AERO | Site number: 003032 | Commenced: 1951 | Map | |
| Latitude: 17.37° S | Longitude: 123.66° E | Elevation: 6 m | Operational status: Open | |
| Statistics | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | Years | Plot | Map | |
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| Temperature | |||||||||||||||||
| Maximum temperature | |||||||||||||||||
| Mean maximum temperature (°C) | 35.2 | 34.7 | 35.4 | 35.7 | 33.0 | 30.7 | 30.9 | 32.9 | 35.7 | 37.4 | 38.2 | 37.4 | 34.8 | 40 | 1972 2025 |
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| Highest temperature (°C) | 44.0 | 43.8 | 41.9 | 41.5 | 40.3 | 36.6 | 36.2 | 40.7 | 42.7 | 44.8 | 44.6 | 45.6 | 45.6 | 41 | 1972 2025 |
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| Date | 02 Jan 2003 | 22 Feb 1996 | 30 Mar 2016 | 10 Apr 2016 | 03 May 2016 | 06 Jun 1998 | 25 Jul 2016 | 26 Aug 2024 | 22 Sep 2022 | 30 Oct 2017 | 04 Nov 2020 | 21 Dec 2018 | 21 Dec 2018 | ||||
| Lowest maximum temperature (°C) | 26.0 | 25.1 | 26.6 | 22.0 | 19.1 | 19.6 | 20.3 | 20.6 | 21.2 | 29.4 | 28.3 | 26.2 | 19.1 | 41 | 1972 2025 |
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| Date | 28 Jan 1978 | 16 Feb 2018 | 07 Mar 1996 | 30 Apr 1974 | 29 May 2004 | 06 Jun 2013 | 06 Jul 2010 | 13 Aug 1978 | 08 Sep 1974 | 01 Oct 2022 | 22 Nov 1973 | 09 Dec 2020 | 29 May 2004 | ||||
| Decile 1 maximum temperature (°C) | 31.1 | 31.1 | 31.9 | 33.0 | 29.7 | 27.5 | 27.9 | 30.3 | 32.4 | 34.3 | 35.5 | 33.7 | 36 | 1972 2025 |
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| Decile 9 maximum temperature(°C) | 38.8 | 38.5 | 38.4 | 38.1 | 36.0 | 33.3 | 33.5 | 35.6 | 38.5 | 40.2 | 40.9 | 40.5 | 36 | 1972 2025 |
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| Mean number of days ≥ 30 °C | 28.5 | 26.4 | 29.5 | 28.5 | 27.2 | 19.2 | 21.2 | 28.3 | 29.3 | 30.3 | 29.2 | 29.6 | 327.2 | 41 | 1972 2025 |
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| Mean number of days ≥ 35 °C | 17.6 | 13.1 | 18.3 | 19.8 | 7.4 | 0.6 | 0.6 | 5.0 | 19.1 | 26.0 | 27.7 | 25.5 | 180.7 | 41 | 1972 2025 |
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| Mean number of days ≥ 40 °C | 1.2 | 0.9 | 0.6 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 4.1 | 5.9 | 4.8 | 18.7 | 41 | 1972 2025 |
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| Minimum temperature | |||||||||||||||||
| Mean minimum temperature (°C) | 25.7 | 25.5 | 25.2 | 22.8 | 18.8 | 15.8 | 14.6 | 15.8 | 19.4 | 23.2 | 25.6 | 26.3 | 21.6 | 40 | 1972 2025 |
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| Lowest temperature (°C) | 19.2 | 19.2 | 19.3 | 13.7 | 8.2 | 6.1 | 6.0 | 6.1 | 9.1 | 11.7 | 18.5 | 18.5 | 6.0 | 41 | 1972 2025 |
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| Date | 08 Jan 2018 | 06 Feb 1977 | 24 Mar 1997 | 29 Apr 2012 | 30 May 2023 | 27 Jun 2012 | 01 Jul 2004 | 15 Aug 2018 | 02 Sep 2001 | 02 Oct 2009 | 11 Nov 2021 | 12 Dec 1978 | 01 Jul 2004 | ||||
| Highest minimum temperature (°C) | 30.4 | 29.8 | 29.5 | 28.7 | 27.4 | 25.0 | 23.7 | 24.5 | 29.0 | 29.2 | 29.6 | 30.9 | 30.9 | 41 | 1972 2025 |
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| Date | 02 Jan 2024 | 11 Feb 2024 | 06 Mar 2016 | 08 Apr 2016 | 04 May 2016 | 03 Jun 2016 | 31 Jul 2024 | 28 Aug 1973 | 21 Sep 2021 | 31 Oct 2016 | 16 Nov 2024 | 30 Dec 2002 | 30 Dec 2002 | ||||
| Decile 1 minimum temperature (°C) | 23.2 | 23.4 | 23.0 | 18.9 | 14.4 | 10.7 | 10.1 | 11.5 | 15.7 | 19.9 | 23.0 | 23.8 | 36 | 1972 2025 |
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| Decile 9 minimum temperature (°C) | 28.0 | 27.7 | 27.0 | 26.0 | 23.0 | 20.0 | 19.5 | 19.8 | 23.0 | 26.1 | 27.6 | 28.4 | 36 | 1972 2025 |
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| Mean number of days ≤ 2 °C | 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 | 41 | 1972 2025 |
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| Mean number of days ≤ 0 °C | 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 | 41 | 1972 2025 |
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| Ground surface temperature | |||||||||||||||||
| Mean daily ground minimum temperature (°C) | 24.9 | 24.7 | 24.4 | 21.7 | 18.3 | 14.7 | 14.0 | 15.9 | 18.8 | 22.0 | 24.7 | 25.9 | 20.8 | 10 | 1972 1981 |
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| Lowest ground temperature (°C) | 18.5 | 19.4 | 19.0 | 14.6 | 8.1 | 5.4 | 6.2 | 7.3 | 11.1 | 14.0 | 18.0 | 19.1 | 5.4 | 10 | 1972 1981 |
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| Date | 16 Jan 1975 | 12 Feb 1975 | 15 Mar 1980 | 25 Apr 1976 | 29 May 1976 | 24 Jun 1976 | 30 Jul 1979 | 02 Aug 1977 | 12 Sep 1976 | 07 Oct 1981 | 06 Nov 1976 | 12 Dec 1978 | 24 Jun 1976 | ||||
| Mean number of days ground min. temp. ≤ -1 °C | 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 | 10 | 1972 1981 |
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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) | 208.9 | 193.6 | 134.3 | 25.8 | 19.6 | 8.0 | 7.1 | 1.1 | 1.8 | 3.7 | 16.0 | 82.6 | 702.4 | 70 | 1951 2025 |
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| Highest rainfall (mm) | 703.2 | 445.4 | 689.2 | 276.1 | 132.0 | 88.6 | 153.0 | 23.6 | 40.4 | 56.4 | 206.0 | 436.8 | 1250.2 | 70 | 1951 2025 |
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| Date | 1978 | 2003 | 2000 | 1954 | 1997 | 1978 | 2010 | 2016 | 1974 | 2022 | 2022 | 2020 | 2000 | ||||
| Lowest rainfall (mm) | 8.5 | 16.1 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 113.5 | 70 | 1951 2025 |
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| Date | 1961 | 1959 | 1956 | 2018 | 2023 | 2025 | 2025 | 2025 | 2025 | 2023 | 2008 | 1956 | 1959 | ||||
| Decile 1 rainfall (mm) | 51.8 | 53.8 | 13.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.5 | 71 | n/a n/a |
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| Decile 5 (median) rainfall (mm) | 179.5 | 163.4 | 88.8 | 10.2 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 5.1 | 51.5 | 71 | n/a n/a |
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| Decile 9 rainfall (mm) | 381.2 | 388.5 | 279.4 | 63.0 | 84.4 | 27.1 | 15.2 | 0.7 | 1.1 | 10.0 | 41.2 | 178.5 | 71 | n/a n/a |
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| Highest daily rainfall (mm) | 294.4 | 255.3 | 159.0 | 79.8 | 70.6 | 39.8 | 78.6 | 21.4 | 28.6 | 55.6 | 115.0 | 150.4 | 294.4 | 65 | 1951 2025 |
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| Date | 29 Jan 1978 | 14 Feb 1966 | 05 Mar 2000 | 03 Apr 2023 | 16 May 2010 | 10 Jun 1978 | 07 Jul 1978 | 30 Aug 2016 | 30 Sep 2022 | 01 Oct 2022 | 23 Nov 2022 | 28 Dec 2017 | 29 Jan 1978 | ||||
| Mean number of days of rain | 13.5 | 12.4 | 10.1 | 3.0 | 1.7 | 1.0 | 0.6 | 0.2 | 0.2 | 1.0 | 2.1 | 7.7 | 53.5 | 66 | 1951 2025 |
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| Mean number of days of rain ≥ 1 mm | 10.3 | 9.5 | 7.3 | 1.8 | 1.3 | 0.7 | 0.3 | 0.1 | 0.1 | 0.6 | 1.4 | 5.2 | 38.6 | 65 | 1951 2025 |
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| Mean number of days of rain ≥ 10 mm | 5.3 | 5.1 | 3.5 | 0.7 | 0.5 | 0.2 | 0.1 | 0.0 | 0.1 | 0.1 | 0.4 | 2.1 | 18.1 | 65 | 1951 2025 |
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| Mean number of days of rain ≥ 25 mm | 2.6 | 2.4 | 1.5 | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.2 | 1.0 | 8.3 | 65 | 1951 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) | 8 | 2011 2025 |
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| Maximum wind gust speed (km/h) | 111 | 124 | 109 | 104 | 61 | 72 | 65 | 68 | 83 | 72 | 83 | 109 | 124 | 28 | 1972 2025 |
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| Date | 03 Jan 1981 | 09 Feb 1977 | 15 Mar 2014 | 03 Apr 2014 | 25 May 2022 | 01 Jun 2022 | 23 Jul 2014 | 30 Aug 2018 | 28 Sep 2023 | 23 Oct 2016 | 23 Nov 2019 | 11 Dec 1978 | 09 Feb 1977 | ||||
| Mean daily sunshine (hours) | |
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| Mean daily solar exposure (MJ/m2) | 23.0 | 23.1 | 23.0 | 21.6 | 18.7 | 17.3 | 18.6 | 21.5 | 24.5 | 26.6 | 26.9 | 25.0 | 22.5 | 36 | 1990 2025 |
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| Mean number of clear days | 0.8 | 2.3 | 4.3 | 11.5 | 13.4 | 16.9 | 18.1 | 17.3 | 16.0 | 15.6 | 10.4 | 5.7 | 132.3 | 10 | 1972 1981 |
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| Mean number of cloudy days | 17.2 | 13.7 | 13.3 | 4.4 | 7.7 | 2.8 | 2.8 | 2.9 | 2.1 | 2.5 | 4.0 | 8.3 | 81.7 | 10 | 1972 1981 |
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| Mean daily evaporation (mm) | 8.8 | 7.4 | 7.4 | 8.6 | 8.0 | 7.4 | 8.0 | 8.7 | 10.6 | 11.8 | 12.5 | 11.4 | 9.2 | 10 | 1972 1981 |
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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) | 29.8 | 29.3 | 29.8 | 29.9 | 27.0 | 24.0 | 23.5 | 25.4 | 28.2 | 30.5 | 31.6 | 31.2 | 28.3 | 26 | 1972 2010 |
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| Mean 9am wet-bulb temperature (°C) | 25.7 | 25.8 | 25.2 | 22.7 | 18.5 | 16.0 | 15.4 | 16.6 | 19.6 | 22.1 | 23.8 | 25.3 | 21.4 | 26 | 1972 2010 |
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| Mean 9am dew-point temperature (°C) | 23.8 | 24.2 | 23.1 | 18.2 | 11.5 | 8.3 | 7.0 | 7.7 | 12.5 | 16.4 | 19.2 | 22.4 | 16.2 | 26 | 1972 2010 |
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| Mean 9am relative humidity (%) | 71 | 75 | 69 | 52 | 42 | 40 | 38 | 37 | 43 | 47 | 51 | 61 | 52 | 26 | 1972 2010 |
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| Mean 9am cloud cover (oktas) | 6.2 | 5.6 | 4.9 | 2.8 | 3.1 | 2.5 | 2.1 | 2.5 | 2.3 | 2.4 | 3.3 | 4.3 | 3.5 | 10 | 1972 1981 |
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| Mean 9am wind speed (km/h) | 13.1 | 11.8 | 11.2 | 10.9 | 13.7 | 14.6 | 14.0 | 13.0 | 12.9 | 13.0 | 12.7 | 12.7 | 12.8 | 26 | 1972 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) | 33.8 | 33.0 | 34.0 | 34.5 | 31.8 | 29.6 | 29.7 | 31.6 | 33.9 | 35.2 | 36.1 | 34.8 | 33.2 | 26 | 1972 2010 |
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| Mean 3pm wet-bulb temperature (°C) | 26.2 | 26.3 | 25.4 | 23.2 | 20.0 | 18.2 | 17.8 | 18.4 | 20.7 | 22.9 | 24.5 | 25.5 | 22.4 | 26 | 1972 2010 |
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| Mean 3pm dew-point temperature (°C) | 22.8 | 23.4 | 21.1 | 16.2 | 10.8 | 8.0 | 6.8 | 6.2 | 10.5 | 14.7 | 17.8 | 20.9 | 14.9 | 26 | 1972 2010 |
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| Mean 3pm relative humidity (%) | 55 | 59 | 50 | 37 | 31 | 29 | 26 | 23 | 27 | 33 | 37 | 47 | 38 | 26 | 1972 2010 |
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| Mean 3pm cloud cover (oktas) | 5.8 | 5.4 | 5.0 | 3.4 | 3.6 | 2.7 | 2.2 | 2.4 | 2.7 | 3.0 | 3.4 | 4.4 | 3.7 | 10 | 1972 1981 |
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| Mean 3pm wind speed (km/h) | 18.6 | 16.5 | 15.1 | 14.8 | 14.8 | 14.7 | 15.4 | 16.0 | 19.1 | 23.0 | 24.1 | 22.0 | 17.8 | 26 | 1972 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 18 Dec 2025 01:09:19 AM AEDT
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_003032_All.shtml
- Summary statistics and locational map for this site:
http://www.bom.gov.au/climate/averages/tables/cw_003032.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_003032.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 Derby
Climate outlooks
- Monthly and seasonal climate outlooks
Additional climate information
Page created: Thu 18 Dec 2025 01:09:19 AM AEDT