Heat wave in Australia, 18 to 29 June 2023

Name: Heat wave in Australia, 18 to 29 June 2023
Start: 2023-06-18
End: 2023-06-29
Location: Australia

Heat wave in Australia, 18 to 29 June 2023: 164 records at 55 stations, peak on 25 June 2023. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Heat wave in Australia, 18 to 29 June 2023 set or tied 164 station records at 55 stations.
It ran from 18 June 2023 to 29 June 2023 (12 days) and its peak day was 25 June 2023.
Status: closed.
Rockhampton Aero set a daily record high maximum temperature of 29.2 C (84.6 F) on 25 June 2023.
The busiest day was 25 June 2023 with 43 records.
The oldest broken record in the ranked list had stood for 76 years.

Footprint

18 to 29 June 2023

The area covered by Heat wave in Australia, 18 to 29 June 2023 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Australia, 18 to 29 June 2023: stations that set records in the event
Station	Type	Value	Date
Rockhampton Aero	Record high maximum temperature	29.2 C (84.6 F)	2023-06-25
Monto Township	Record high maximum temperature	29.2 C (84.6 F)	2023-06-28
Tambo Post Office	Record high maximum temperature	31.8 C (89.2 F)	2023-06-28
Mackay Aero	Record high maximum temperature	27.1 C (80.8 F)	2023-06-25
Townsville Aero	Record high maximum temperature	31.7 C (89.1 F)	2023-06-29
Taroom Post Office	Record high maximum temperature	31.4 C (88.5 F)	2023-06-28
Ayr Dpi Research STN	Record high maximum temperature	32.1 C (89.8 F)	2023-06-29
Isisford Post Office	Record high maximum temperature	29.8 C (85.6 F)	2023-06-24
Lady Elliot Island	Record high minimum temperature	21.2 C (70.2 F)	2023-06-24
Mackay M.O	Record high maximum temperature	27.4 C (81.3 F)	2023-06-25
Oakey Aero	Record high maximum temperature	27.1 C (80.8 F)	2023-06-25
Archerfield Airport	Record high maximum temperature	27.5 C (81.5 F)	2023-06-25
Sandy Cape Lighthouse	Record high minimum temperature	19.7 C (67.5 F)	2023-06-26
Barcaldine Post Office	Record high maximum temperature	32.6 C (90.7 F)	2023-06-28
Injune Post Office	Record high maximum temperature	31.9 C (89.4 F)	2023-06-28

Records per Day

Peak day 43

Records set or tied each day from 18 June 2023 to 29 June 2023. The most in one day was 43 on 25 June 2023.

Records per day during Heat wave in Australia, 18 to 29 June 2023
Date	Records
2023-06-18	2
2023-06-19	3
2023-06-20	2
2023-06-21	2
2023-06-22	2
2023-06-23	7
2023-06-24	19
2023-06-25	43
2023-06-26	26
2023-06-27	13
2023-06-28	35
2023-06-29	10

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Australia, 18 to 29 June 2023 ranked by margin
Injune Post Office, 06-28	5.8 C (10.4 F)
Taroom Post Office, 06-28	4.6 C (8.3 F)
Ayr Dpi Research STN, 06-29	3.7 C (6.7 F)
Monto Township, 06-28	3.6 C (6.5 F)
Townsville Aero, 06-29	3.1 C (5.6 F)
Rockhampton Aero, 06-26	2.8 C (5.0 F)
Isisford Post Office, 06-25	2.5 C (4.5 F)
Barcaldine Post Office, 06-28	2.4 C (4.3 F)
Oakey Aero, 06-25	2.1 C (3.8 F)
Archerfield Airport, 06-25	1.8 C (3.2 F)
Rockhampton Aero, 06-25	1.3 C (2.3 F)
Mackay Aero, 06-25	1.3 C (2.3 F)
Tambo Post Office, 06-24	1.3 C (2.3 F)
Mackay M.O, 06-25	1.3 C (2.3 F)
Sandy Cape Lighthouse, 06-26	1.2 C (2.2 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

164 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Heat wave in Australia, 18 to 29 June 2023
Margin (C)	Years the old record stood
1.3	76
3.6	54
1.3	72
0.1	61
3.1	28
4.6	28
0.1	72
3.7	13
1.3	64
1.0	64
2.8	32
0.9	64
2.5	49
0.6	64
1.3	48
2.1	49
2.4	41
1.2	46
1.8	32
5.8	8
1.8	28
1.6	49
3.9	26
2.9	32
1.9	33
1.4	49
0.4	21
1.9	33
0.7	7
0.6	48
1.4	36
0.9	49
1.3	44
2.5	32
2.5	32
1.6	41
0.9	41
1.4	26
2.1	32
2.3	32
0.9	44
1.0	32
0.3	21
4.4	8
1.5	32
0.7	44
1.2	41
3.9	13
2.5	8
4.4	8
3.6	18
1.9	20
1.0	32
1.5	32
1.0	26
1.4	32
3.6	5
3.5	14
1.1	28
2.3	18
3.9	5
0.4	45
0.6	41
1.1	32
1.1	32
0.3	41
0.8	32
1.2	32
4.2	5
4.4	8
1.7	20
1.8	28
0.9	32
0.7	32
3.1	13
3.0	14
0.4	34
1.2	20
2.0	5
0.8	32
0.8	32
2.9	5
2.1	6
0.8	20
1.3	26
1.2	26
1.6	12
2.7	13
0.5	29
1.7	18
0.5	32
0.5	32
3.6	5
0.2	32
1.8	18
0.4	32
0.5	20
0.5	26
3.0	6
0.1	7
0.1	34
2.1	13
1.5	5
0.5	26
2.9	5
0.4	32
0.1	32
0.2	29
3.1	5
1.7	13
1.1	26
0.9	8
0.1	32
0.2	32
0.8	26
0.3	13
0.7	26
0.9	6
2.3	5
0.8	21
0.5	25
3.2	5
1.5	5
0.7	8
0.1	22
0.1	20
0.3	26
0.4	22
1.5	12
1.6	4
1.9	5
0.5	21
0.9	5
1.2	8
0.8	5
0.4	18
1.2	5
0.8	1
1.2	8
0.4	6
0.5	13
0.2	12
0.8	5
0.1	13
0.4	8
0.9	1
1.1	5
0.6	5
0.4	5
0.6	8
0.9	5
0.6	5
0.4	8
0.5	6
0.4	1
0.7	5
0.2	0
0.4	12
0.2	1
0.7	5
0.4	5
0.8	5
0.3	5
0.1	6

Compared With Other Events

Station records per event

Station records in Heat wave in Australia, 18 to 29 June 2023 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in Australia, 18 to 29 June 2023 (this event)	164 records

Every Record Set

20 of 164

Every record set or tied during Heat wave in Australia, 18 to 29 June 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-06-20	Rockhampton Aero	Record high maximum temperature	27.3 C (81.1 F)	0.1 C (0.2 F)	72	29 of 100 (Routine)
2023-06-24	Tambo Post Office	Record high maximum temperature	28.6 C (83.5 F)	1.3 C (2.3 F)	64	28 of 100 (Routine)
2023-06-24	Taroom Post Office	Record high maximum temperature	28.2 C (82.8 F)	1.0 C (1.8 F)	64	28 of 100 (Routine)
2023-06-24	Isisford Post Office	Record high maximum temperature	29.8 C (85.6 F)	0.9 C (1.6 F)	64	27 of 100 (Routine)
2023-06-24	Lady Elliot Island	Record high minimum temperature	21.2 C (70.2 F)	0.6 C (1.1 F)	64	27 of 100 (Routine)
2023-06-25	Rockhampton Aero	Record high maximum temperature	29.2 C (84.6 F)	1.3 C (2.3 F)	76	35 of 100 (Notable)
2023-06-25	Mackay Aero	Record high maximum temperature	27.1 C (80.8 F)	1.3 C (2.3 F)	72	34 of 100 (Routine)
2023-06-25	Isisford Post Office	Record high maximum temperature	31.5 C (88.7 F)	2.5 C (4.5 F)	49	27 of 100 (Routine)
2023-06-25	Mackay M.O	Record high maximum temperature	27.4 C (81.3 F)	1.3 C (2.3 F)	48	26 of 100 (Routine)
2023-06-25	Oakey Aero	Record high maximum temperature	27.1 C (80.8 F)	2.1 C (3.8 F)	49	26 of 100 (Routine)
2023-06-25	Archerfield Airport	Record high maximum temperature	27.5 C (81.5 F)	1.8 C (3.2 F)	32	25 of 100 (Routine)
2023-06-26	Rockhampton Aero	Record high maximum temperature	31.2 C (88.2 F)	2.8 C (5.0 F)	32	28 of 100 (Routine)
2023-06-26	Sandy Cape Lighthouse	Record high minimum temperature	19.7 C (67.5 F)	1.2 C (2.2 F)	46	25 of 100 (Routine)
2023-06-28	Monto Township	Record high maximum temperature	29.2 C (84.6 F)	3.6 C (6.5 F)	54	35 of 100 (Notable)
2023-06-28	Tambo Post Office	Record high maximum temperature	31.8 C (89.2 F)	0.1 C (0.2 F)	61	34 of 100 (Routine)
2023-06-28	Taroom Post Office	Record high maximum temperature	31.4 C (88.5 F)	4.6 C (8.3 F)	28	29 of 100 (Routine)
2023-06-28	Barcaldine Post Office	Record high maximum temperature	32.6 C (90.7 F)	2.4 C (4.3 F)	41	25 of 100 (Routine)
2023-06-28	Injune Post Office	Record high maximum temperature	31.9 C (89.4 F)	5.8 C (10.4 F)	8	25 of 100 (Routine)
2023-06-29	Townsville Aero	Record high maximum temperature	31.7 C (89.1 F)	3.1 C (5.6 F)	28	32 of 100 (Routine)
2023-06-29	Ayr Dpi Research STN	Record high maximum temperature	32.1 C (89.8 F)	3.7 C (6.7 F)	13	28 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 164 records the event counts. The counts above use the full total.

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (C)	Years the old record stood
1.3	76
3.6	54
1.3	72
0.1	61
3.1	28
4.6	28
0.1	72
3.7	13
1.3	64
1.0	64
2.8	32
0.9	64
2.5	49
0.6	64
1.3	48
2.1	49
2.4	41
1.2	46
1.8	32
5.8	8
1.8	28
1.6	49
3.9	26
2.9	32
1.9	33
1.4	49
0.4	21
1.9	33
0.7	7
0.6	48
1.4	36
0.9	49
1.3	44
2.5	32
2.5	32
1.6	41
0.9	41
1.4	26
2.1	32
2.3	32
0.9	44
1.0	32
0.3	21
4.4	8
1.5	32
0.7	44
1.2	41
3.9	13
2.5	8
4.4	8
3.6	18
1.9	20
1.0	32
1.5	32
1.0	26
1.4	32
3.6	5
3.5	14
1.1	28
2.3	18
3.9	5
0.4	45
0.6	41
1.1	32
1.1	32
0.3	41
0.8	32
1.2	32
4.2	5
4.4	8
1.7	20
1.8	28
0.9	32
0.7	32
3.1	13
3.0	14
0.4	34
1.2	20
2.0	5
0.8	32
0.8	32
2.9	5
2.1	6
0.8	20
1.3	26
1.2	26
1.6	12
2.7	13
0.5	29
1.7	18
0.5	32
0.5	32
3.6	5
0.2	32
1.8	18
0.4	32
0.5	20
0.5	26
3.0	6
0.1	7
0.1	34
2.1	13
1.5	5
0.5	26
2.9	5
0.4	32
0.1	32
0.2	29
3.1	5
1.7	13
1.1	26
0.9	8
0.1	32
0.2	32
0.8	26
0.3	13
0.7	26
0.9	6
2.3	5
0.8	21
0.5	25
3.2	5
1.5	5
0.7	8
0.1	22
0.1	20
0.3	26
0.4	22
1.5	12
1.6	4
1.9	5
0.5	21
0.9	5
1.2	8
0.8	5
0.4	18
1.2	5
0.8	1
1.2	8
0.4	6
0.5	13
0.2	12
0.8	5
0.1	13
0.4	8
0.9	1
1.1	5
0.6	5
0.4	5
0.6	8
0.9	5
0.6	5
0.4	8
0.5	6
0.4	1
0.7	5
0.2	0
0.4	12
0.2	1
0.7	5
0.4	5
0.8	5
0.3	5
0.1	6

Margin (C)	Years the old record stood
1.3	76
3.6	54
1.3	72
0.1	61
3.1	28
4.6	28
0.1	72
3.7	13
1.3	64
1.0	64
2.8	32
0.9	64
2.5	49
0.6	64
1.3	48
2.1	49
2.4	41
1.2	46
1.8	32
5.8	8
1.8	28
1.6	49
3.9	26
2.9	32
1.9	33
1.4	49
0.4	21
1.9	33
0.7	7
0.6	48
1.4	36
0.9	49
1.3	44
2.5	32
2.5	32
1.6	41
0.9	41
1.4	26
2.1	32
2.3	32
0.9	44
1.0	32
0.3	21
4.4	8
1.5	32
0.7	44
1.2	41
3.9	13
2.5	8
4.4	8
3.6	18
1.9	20
1.0	32
1.5	32
1.0	26
1.4	32
3.6	5
3.5	14
1.1	28
2.3	18
3.9	5
0.4	45
0.6	41
1.1	32
1.1	32
0.3	41
0.8	32
1.2	32
4.2	5
4.4	8
1.7	20
1.8	28
0.9	32
0.7	32
3.1	13
3.0	14
0.4	34
1.2	20
2.0	5
0.8	32
0.8	32
2.9	5
2.1	6
0.8	20
1.3	26
1.2	26
1.6	12
2.7	13
0.5	29
1.7	18
0.5	32
0.5	32
3.6	5
0.2	32
1.8	18
0.4	32
0.5	20
0.5	26
3.0	6
0.1	7
0.1	34
2.1	13
1.5	5
0.5	26
2.9	5
0.4	32
0.1	32
0.2	29
3.1	5
1.7	13
1.1	26
0.9	8
0.1	32
0.2	32
0.8	26
0.3	13
0.7	26
0.9	6
2.3	5
0.8	21
0.5	25
3.2	5
1.5	5
0.7	8
0.1	22
0.1	20
0.3	26
0.4	22
1.5	12
1.6	4
1.9	5
0.5	21
0.9	5
1.2	8
0.8	5
0.4	18
1.2	5
0.8	1
1.2	8
0.4	6
0.5	13
0.2	12
0.8	5
0.1	13
0.4	8
0.9	1
1.1	5
0.6	5
0.4	5
0.6	8
0.9	5
0.6	5
0.4	8
0.5	6
0.4	1
0.7	5
0.2	0
0.4	12
0.2	1
0.7	5
0.4	5
0.8	5
0.3	5
0.1	6