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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 24 July to 11 August 2023

Heat wave in Australia, 24 July to 11 August 2023: 280 records at 138 stations, peak on 4 August 2023. Closed.

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

Key Facts

  • Heat wave in Australia, 24 July to 11 August 2023 set or tied 280 station records at 138 stations.
  • It ran from 24 July 2023 to 11 August 2023 (19 days) and its peak day was 4 August 2023.
  • Status: closed.
  • Adelaide West Terrace set a daily record high minimum temperature of 13.9 C (57.0 F) on 3 August 2023.
  • The busiest day was 4 August 2023 with 39 records.
  • The oldest broken record in the ranked list had stood for 108 years.

Footprint

24 July to 11 August 2023
Footprint of Heat wave in Australia, 24 July to 11 August 2023 The area covered by Heat wave in Australia, 24 July to 11 August 2023 is outlined, with 17 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 24 July to 11 August 2023 is outlined, with 17 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 24 July to 11 August 2023: stations that set records in the event
StationTypeValueDate
Adelaide West TerraceRecord high minimum temperature13.9 C (57.0 F)2023-08-03
Cabramurra SmheaRecord high maximum temperature10.9 C (51.6 F)2023-07-25
CleveRecord high maximum temperature25.4 C (77.7 F)2023-08-04
Richmond RaafRecord high maximum temperature26.3 C (79.3 F)2023-07-30
Maatsuyker Island LighthouseRecord high maximum temperature16.1 C (61.0 F)2023-08-04
Butlers GorgeRecord high minimum temperature7.3 C (45.1 F)2023-07-30
KyancuttaRecord high minimum temperature11.9 C (53.4 F)2023-08-04
Newcastle Nobbys Signal StatioRecord high maximum temperature24.4 C (75.9 F)2023-07-30
Ceduna AMORecord high minimum temperature12.3 C (54.1 F)2023-08-04
Collarenebri (Albert St)Record high maximum temperature27.0 C (80.6 F)2023-07-28
Nyngan AirportRecord high maximum temperature26.0 C (78.8 F)2023-07-29
University of Queensland GattoRecord high minimum temperature14.4 C (57.9 F)2023-08-02
Tabulam (Muirne)Record high minimum temperature13.3 C (55.9 F)2023-08-01
EuclaRecord high minimum temperature18.1 C (64.6 F)2023-08-03
Cape WilloughbyRecord high maximum temperature19.1 C (66.4 F)2023-08-03
Eddystone PointRecord high maximum temperature16.9 C (62.4 F)2023-08-03
Mount BarkerRecord high maximum temperature22.0 C (71.6 F)2023-08-04

Records per Day

Peak day 39
Records per day during Heat wave in Australia, 24 July to 11 August 2023 Records set or tied each day from 24 July 2023 to 11 August 2023. The most in one day was 39 on 4 August 2023. 0 10 20 30 40 07-2407-2607-2807-3008-0108-0308-0508-0708-0908-11
Records set or tied each day from 24 July 2023 to 11 August 2023. The most in one day was 39 on 4 August 2023.
Records per day during Heat wave in Australia, 24 July to 11 August 2023
DateRecords
2023-07-244
2023-07-2513
2023-07-2615
2023-07-2714
2023-07-2816
2023-07-2932
2023-07-3036
2023-07-3111
2023-08-0124
2023-08-0212
2023-08-0322
2023-08-0439
2023-08-057
2023-08-064
2023-08-074
2023-08-082
2023-08-0920
2023-08-104
2023-08-111

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 24 July to 11 August 2023 ranked by margin
Adelaide West Terrace, 08-033.8 C (6.8 F)
Cabramurra Smhea, 07-253.4 C (6.1 F)
Mount Barker, 08-043.3 C (5.9 F)
Nyngan Airport, 07-302.8 C (5.0 F)
Cleve, 08-042.7 C (4.9 F)
Butlers Gorge, 07-302.5 C (4.5 F)
Collarenebri (Albert St), 07-282.1 C (3.8 F)
Maatsuyker Island Lighthouse, 08-041.7 C (3.1 F)
Cape Willoughby, 08-031.4 C (2.5 F)
University of Queensland Gatto, 08-021.3 C (2.3 F)
Adelaide West Terrace, 08-031.2 C (2.2 F)
Butlers Gorge, 07-261.2 C (2.2 F)
Tabulam (Muirne), 08-011.1 C (2.0 F)
Richmond Raaf, 07-300.9 C (1.6 F)
Eddystone Point, 08-030.9 C (1.6 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

Margin against age of the broken record in Heat wave in Australia, 24 July to 11 August 2023 280 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. 0 30 60 90 120 0.01.02.03.04.0 Margin (C) Years the old record stood
280 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, 24 July to 11 August 2023
Margin (C)Years the old record stood
1.2108
3.449
2.758
0.962
1.750
0.260
2.544
0.160
0.562
2.148
0.230
1.353
2.833
1.249
0.123
1.438
3.80
1.148
0.942
3.322
0.421
1.048
0.848
0.250
0.356
2.717
1.021
3.022
0.448
1.437
0.848
2.130
1.042
0.448
1.436
2.222
3.420
3.49
0.248
0.348
0.148
0.348
2.033
1.330
1.930
1.626
0.148
0.248
1.338
2.332
1.326
0.837
0.737
2.712
1.512
0.140
1.330
2.220
2.320
0.538
0.440
0.638
2.120
0.138
1.129
0.133
0.137
0.730
1.524
2.416
0.229
1.026
1.526
1.30
0.528
1.120
0.412
0.233
1.820
0.729
2.44
1.326
1.212
1.512
0.820
2.212
1.212
0.718
2.312
2.55
1.84
0.532
0.820
1.516
0.829
0.232
1.912
0.333
1.712
1.224
0.820
1.026
1.017
2.32
2.020
0.812
0.221
2.88
0.812
0.112
1.221
0.517
0.620
0.330
2.29
1.912
2.54
1.412
2.19
0.229
1.117
0.626
1.024
2.44
0.712
0.126
1.912
1.317
1.212
0.229
0.317
1.117
0.220
2.74
1.016
0.130
0.424
0.720
0.617
1.98
1.612
0.512
0.412
0.317
0.317
0.220
0.422
0.712
0.712
0.712
0.714
0.720
0.617
0.617
1.55
1.26
0.129
0.129
0.324
0.522
0.720
0.612
0.220
0.517
0.817
0.521
1.15
1.25
0.212
0.46
1.08
0.413
1.217
0.612
0.91
1.45
0.222
0.520
0.420
1.49
0.916
1.65
1.04
0.89
1.19
0.422
0.225
0.417
1.82
0.322
0.617
0.912
0.518
0.116
1.12
1.14
0.112
0.912
0.38
0.212

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 24 July to 11 August 2023 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Australia, 24 July to 11 August 2023 (this event)280 records

Every Record Set

20 of 280
Every record set or tied during Heat wave in Australia, 24 July to 11 August 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-07-25Cabramurra SmheaRecord high maximum temperature10.9 C (51.6 F)3.4 C (6.1 F)4932 of 100 (Routine)
2023-07-26Butlers GorgeRecord high minimum temperature5.4 C (41.7 F)1.2 C (2.2 F)4924 of 100 (Routine)
2023-07-28Collarenebri (Albert St)Record high maximum temperature27.0 C (80.6 F)2.1 C (3.8 F)4825 of 100 (Routine)
2023-07-29Nyngan AirportRecord high maximum temperature26.0 C (78.8 F)0.2 C (0.4 F)3025 of 100 (Routine)
2023-07-30Richmond RaafRecord high maximum temperature26.3 C (79.3 F)0.9 C (1.6 F)6229 of 100 (Routine)
2023-07-30Butlers GorgeRecord high minimum temperature7.3 C (45.1 F)2.5 C (4.5 F)4427 of 100 (Routine)
2023-07-30Newcastle Nobbys Signal StatioRecord high maximum temperature24.4 C (75.9 F)0.5 C (0.9 F)6226 of 100 (Routine)
2023-07-30Nyngan AirportRecord high minimum temperature13.8 C (56.8 F)2.8 C (5.0 F)3324 of 100 (Routine)
2023-08-01Tabulam (Muirne)Record high minimum temperature13.3 C (55.9 F)1.1 C (2.0 F)4823 of 100 (Routine)
2023-08-02University of Queensland GattoRecord high minimum temperature14.4 C (57.9 F)1.3 C (2.3 F)5324 of 100 (Routine)
2023-08-03Adelaide West TerraceRecord high minimum temperature13.9 C (57.0 F)1.2 C (2.2 F)10844 of 100 (Notable)
2023-08-03EuclaRecord high minimum temperature18.1 C (64.6 F)0.1 C (0.2 F)2323 of 100 (Routine)
2023-08-03Cape WilloughbyRecord high maximum temperature19.1 C (66.4 F)1.4 C (2.5 F)3823 of 100 (Routine)
2023-08-03Adelaide West TerraceRecord high maximum temperature24.7 C (76.5 F)3.8 C (6.8 F)023 of 100 (Routine)
2023-08-03Eddystone PointRecord high maximum temperature16.9 C (62.4 F)0.9 C (1.6 F)4223 of 100 (Routine)
2023-08-04CleveRecord high maximum temperature25.4 C (77.7 F)2.7 C (4.9 F)5830 of 100 (Routine)
2023-08-04Maatsuyker Island LighthouseRecord high maximum temperature16.1 C (61.0 F)1.7 C (3.1 F)5028 of 100 (Routine)
2023-08-04KyancuttaRecord high minimum temperature11.9 C (53.4 F)0.2 C (0.4 F)6027 of 100 (Routine)
2023-08-04Ceduna AMORecord high minimum temperature12.3 C (54.1 F)0.1 C (0.2 F)6026 of 100 (Routine)
2023-08-04Mount BarkerRecord high maximum temperature22.0 C (71.6 F)3.3 C (5.9 F)2222 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 280 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.