Wednesday, 1 March 2023 - Seasonal Climate Summary for Greater Brisbane - Product code IDCKGC24L0

Greater Brisbane in summer 2022-23: Below average rainfall, cooler nights

Rainfall was below average across Greater Brisbane, with most sites reported 70% or less of their average summer rainfall. Daytime temperatures were generally within a degree of the long-term average. Mean minimum temperatures were cooler than the long-term average for all locations, and more than a degree cooler than average at inland sites.

Below average rainfall

• All locations recorded below average rainfall for summer, with totals generally ranging from 160 mm at Gatton to 440 mm at Caloundra.
• Most sites reported 70% or less of their long-term average for summer as a whole, owing to below rainfall for the January and February period.
• The wettest day was at Brisbane Aero when heavy rainfall on 15 February saw 113.4 mm recorded in 24 hours, and the wettest overall was at Caloundra Airport with 437.3 mm for the season.

Cooler days and cooler nights

• Daytime temperatures were within a degree of the long-term average at sites around Greater Brisbane, ranging from 0.8 °C below average at Beerburrum Forest Station to 0.5 °C above average at Cape Moreton Lighthouse.
• Minimum temperatures were cooler than average at all sites in Greater Brisbane, ranging from 1.5 °C below average at Amberley AMO to 0.3 °C below average at Cape Moreton Lighthouse.
• The start of summer was very cold and some sites had their coldest summer day on record on 1 December.
• Redcliffe reported its warmest summer night on record on February 4.
• With cooler nights throughout much of the season, some sites had their lowest summer mean daily minimum temperature for at least 20 years.

Brisbane

• Total rainfall for Brisbane was 269.0 mm, which is 63% of the long-term average of 425.3 mm
• The mean daily maximum temperature for Brisbane was 29.7 °C, which is 0.3 °C below the long-term average of 30.0 °C.
• The warmest day was 35.7 °C on 12 February, and the coolest day was on 1 December when the temperature reached 22.3 °C.
• The mean daily minimum temperature for Brisbane was 20.4 °C, which is 0.8 °C below the long-term average of 21.2 °C.
• The coldest morning was 15.8 °C on 1 December, and the warmest morning was on 4 February when the minimum temperature was 26.4 °C.

Further information

Media

media@bom.gov.au (03) 9669 4057

Extremes Maps Records Summaries Important notes the top

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Extremes in summer 2022-23
Hottest day	40.8 °C at University of Queensland Gatton on 12 Feb 2023
Warmest days on average	31.5 °C at University of Queensland Gatton
Coolest days on average	27.2 °C at Cape Moreton Lighthouse
Coldest day	19.3 °C at Cape Moreton Lighthouse on 1 Dec 2022
Coldest night	8.8 °C at Canungra (Defence) on 20 Dec 2022
Coolest nights on average	16.2 °C at Canungra (Defence)
Warmest nights on average	21.6 °C at Point Lookout
Warmest night	27.5 °C at Redcliffe on 4 Feb 2023
Warmest on average overall	25.0 °C at Brisbane
Coolest on average overall	22.5 °C at Canungra (Defence)
Wettest overall	437.3 mm at Caloundra Airport
Wettest day	113.4 mm at Brisbane Aero on 15 Feb 2023
Strongest wind gust	111 km/h at Cape Moreton Lighthouse on 1 Dec 2022

Extremes Maps Records Summaries Important notes the top

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Record lowest summer daily maximum temperature
	New record (°C)		Old record		Years of record	Average for summer
Cape Moreton Lighthouse	19.3	on 1 Dec 2022	19.4	on 6 Dec 1960	114	26.7
Point Lookout	20.0	on 1 Dec 2022	21.7	on 7 Dec 2011	27	29.1




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Record highest summer daily minimum temperature
	New record (°C)		Old record		Years of record	Average for summer
Redcliffe	27.5	on 4 Feb 2023	27.4	on 21 Jan 2017	20	21.8




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Lowest summer mean daily minimum temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for summer
University of Queensland Gatton	17.3	17.1	in 1947*	18.7
Amberley AMO	17.7	17.0	in 1999	19.2
Cape Moreton Lighthouse	21.4	21.1	in 1999	21.7

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported





Extremes Maps Records Summaries Important notes the top

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Summary statistics for summer 2022-23
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for summer 2022-23	Diff from average	Highest for summer 2022-23		Mean for summer 2022-23	Diff from average	Lowest for summer 2022-23		Total for summer 2022-23	Average for summer	Rank of summer 2022-23	Fraction of summer average
Amberley AMO	31.1	+0.2	39.4	12 Feb 2023	17.7	-1.5	11.8	21 Dec 2022	246.4	361.2	low	68%
Archerfield Airport	30.2	+0.2	37.1	12 Feb 2023	19.2	-0.7	14.5	3 Dec 2022	244.8	415.6	low	59%
Beaudesert Drumley Street	30.8	-0.1	39.3	12 Feb 2023	17.7	-1.2	13.6	5 Dec 2022	186.0	357.3	low	52%
Beerburrum Forest Station	29.2	-0.8	37.2	12 Feb 2023	18.9	-0.5	13.7	20 Dec 2022	347.4	571.8	low	61%
Brisbane	29.7	-0.3	35.7	12 Feb 2023	20.4	-0.8	15.8	1 Dec 2022	269.0	425.3	low	63%
Brisbane Aero	28.4	-0.4	33.0	14 Dec 2022	20.2	-0.7	15.5	4 Dec 2022	284.6	409.3	average	70%
Canungra (Defence)	28.8		38.2	12 Feb 2023	16.2		8.8	20 Dec 2022	254.8
Cape Moreton Lighthouse	27.2	+0.5	31.5	4 Feb 2023	21.4	-0.3	16.0	2 Dec 2022	303.8	429.3	average	71%
Greenbank (Defence)	30.8		39.9	12 Feb 2023	17.4		12.2	21 Dec 2022	220.0
Logan City Water Treatment Plant	29.7	+0.2	38.8	12 Feb 2023	19.7	-0.5	15.0	21 Dec 2022	171.2	409.2	low	42%
Point Lookout	28.8	-0.3	34.4	13 Feb 2023	21.6	-0.6	17.3	17 Dec 2022	310.6	421.7	low	74%
Redcliffe	28.3	-0.5	35.4	31 Jan 2023	20.8	-1.0	15.5	1 Dec 2022	167.2	409.5	low	41%
Redland (Alexandra Hills)	28.4		33.4	13 Feb 2023	19.4		14.1	20 Dec 2022	200.4
University of Queensland Gatton	31.5	+0.2	40.8	12 Feb 2023	17.3	-1.4	11.3	20 Dec 2022	164.2	305.2	low	54%

Extremes Maps Records Summaries Important notes the top

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Notes

The Seasonal climate summary, usually published in the first week of the following month, lists the main features of the weather in Greater Brisbane using the most timely and accurate information available on the date of publication; it will generally not be updated. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

This summary includes data from observing sites in or near the Greater Brisbane “Greater Capital City Statistical Area” (GCCSA). The Australian Bureau of Statistics designed the GCCSAs to “include the population within the urban area of the city, as well as people who regularly socialise, shop or work within the city, and live in small towns and rural areas surrounding the city. It is important to note that GCCSAs do not define the built up edge of the city. They provide a stable definition for these cities and are designed for the output of a range of social and economic survey data.”

This statement has been prepared based on information available at 12 pm on Wednesday 1 March 2023. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.

Further information

Media

media@bom.gov.au (03) 9669 4057

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