Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 31 July to 17 August 2023

Heat wave in Australia, 31 July to 17 August 2023: 102 records at 48 stations, peak on 7 August 2023. Closed.

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

Key Facts

  • Heat wave in Australia, 31 July to 17 August 2023 set or tied 102 station records at 48 stations.
  • It ran from 31 July 2023 to 17 August 2023 (18 days) and its peak day was 7 August 2023.
  • Status: closed.
  • Broome Airport set a daily record high maximum temperature of 34.5 C (94.1 F) on 5 August 2023.
  • The busiest day was 7 August 2023 with 25 records.
  • The oldest broken record in the ranked list had stood for 80 years.

Footprint

31 July to 17 August 2023
Footprint of Heat wave in Australia, 31 July to 17 August 2023 The area covered by Heat wave in Australia, 31 July to 17 August 2023 is outlined, with 16 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 31 July to 17 August 2023 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 31 July to 17 August 2023: stations that set records in the event
StationTypeValueDate
Broome AirportRecord high maximum temperature34.5 C (94.1 F)2023-08-05
CorriginRecord high maximum temperature25.0 C (77.0 F)2023-08-07
MullewaRecord high maximum temperature30.1 C (86.2 F)2023-08-06
Cape LeeuwinRecord high minimum temperature15.1 C (59.2 F)2023-08-08
Port Hedland AirportRecord high maximum temperature33.9 C (93.0 F)2023-08-05
RavensthorpeRecord high maximum temperature27.5 C (81.5 F)2023-08-07
Emu Creek StationRecord high minimum temperature20.9 C (69.6 F)2023-08-07
NarroginRecord high minimum temperature14.7 C (58.5 F)2023-08-08
Giles Meteorological OfficeRecord high minimum temperature17.8 C (64.0 F)2023-08-12
Alice Springs AirportRecord high minimum temperature18.9 C (66.0 F)2023-08-17
Carnarvon AirportRecord high maximum temperature31.9 C (89.4 F)2023-08-07
Wongan HillsRecord high maximum temperature25.6 C (78.1 F)2023-08-07
BencubbinRecord high minimum temperature15.2 C (59.4 F)2023-08-08
MardieRecord high maximum temperature33.7 C (92.7 F)2023-08-01
MandoraRecord high maximum temperature35.2 C (95.4 F)2023-08-04
Derby AeroRecord high minimum temperature22.3 C (72.1 F)2023-07-31

Records per Day

Peak day 25
Records per day during Heat wave in Australia, 31 July to 17 August 2023 Records set or tied each day from 31 July 2023 to 17 August 2023. The most in one day was 25 on 7 August 2023. 0 6 13 19 25 07-3108-0208-0508-0708-0908-1108-1308-16
Records set or tied each day from 31 July 2023 to 17 August 2023. The most in one day was 25 on 7 August 2023.
Records per day during Heat wave in Australia, 31 July to 17 August 2023
DateRecords
2023-07-313
2023-08-015
2023-08-024
2023-08-043
2023-08-056
2023-08-0611
2023-08-0725
2023-08-0825
2023-08-093
2023-08-104
2023-08-113
2023-08-123
2023-08-131
2023-08-141
2023-08-163
2023-08-172

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 31 July to 17 August 2023 ranked by margin
Mullewa, 08-073.8 C (6.8 F)
Corrigin, 08-073.2 C (5.8 F)
Emu Creek Station, 08-073.2 C (5.8 F)
Ravensthorpe, 08-073.1 C (5.6 F)
Carnarvon Airport, 08-073.1 C (5.6 F)
Mullewa, 08-062.9 C (5.2 F)
Giles Meteorological Office, 08-122.5 C (4.5 F)
Alice Springs Airport, 08-172.3 C (4.1 F)
Bencubbin, 08-081.7 C (3.1 F)
Port Hedland Airport, 08-051.6 C (2.9 F)
Carnarvon Airport, 08-081.6 C (2.9 F)
Derby Aero, 07-311.3 C (2.3 F)
Wongan Hills, 08-071.2 C (2.2 F)
Broome Airport, 08-050.8 C (1.4 F)
Mandora, 08-040.8 C (1.4 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, 31 July to 17 August 2023 102 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 20 40 60 80 0.01.02.03.04.0 Margin (C) Years the old record stood
102 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, 31 July to 17 August 2023
Margin (C)Years the old record stood
0.880
3.252
2.952
0.176
1.660
3.152
3.241
0.416
2.549
2.344
3.120
1.640
3.88
1.252
1.745
0.852
0.352
0.353
1.348
0.452
0.452
0.946
0.940
0.348
0.246
1.241
1.94
3.020
3.020
0.217
0.841
1.328
3.420
1.620
0.545
0.442
0.544
1.228
2.18
1.124
2.59
0.345
2.79
3.716
2.624
0.641
2.29
1.216
0.240
2.49
1.320
0.332
0.532
1.720
2.39
1.424
0.332
0.324
0.320
1.61
1.528
2.122
1.230
1.16
2.28
0.429
1.69
1.98
0.624
1.513
1.020
2.01
0.928
0.824
1.69
0.429
0.626
0.36
1.58
2.59
1.99
0.326
0.116
1.28
1.54
0.99
1.09
0.513
0.39
0.30
0.98
0.68
0.59
0.44
0.310
1.59
0.39
0.116
0.612
0.55
0.91
0.74

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 31 July to 17 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, 31 July to 17 August 2023 (this event)102 records

Every Record Set

20 of 102
Every record set or tied during Heat wave in Australia, 31 July to 17 August 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-07-31Derby AeroRecord high minimum temperature22.3 C (72.1 F)1.3 C (2.3 F)4822 of 100 (Routine)
2023-08-01MardieRecord high maximum temperature33.7 C (92.7 F)0.3 C (0.5 F)5323 of 100 (Routine)
2023-08-04MandoraRecord high maximum temperature35.2 C (95.4 F)0.8 C (1.4 F)5223 of 100 (Routine)
2023-08-04Port Hedland AirportRecord high maximum temperature33.5 C (92.3 F)0.3 C (0.5 F)5223 of 100 (Routine)
2023-08-05Broome AirportRecord high maximum temperature34.5 C (94.1 F)0.8 C (1.4 F)8035 of 100 (Notable)
2023-08-05Port Hedland AirportRecord high maximum temperature33.9 C (93.0 F)1.6 C (2.9 F)6031 of 100 (Routine)
2023-08-05MandoraRecord high maximum temperature34.7 C (94.5 F)0.4 C (0.7 F)5222 of 100 (Routine)
2023-08-06MullewaRecord high maximum temperature30.1 C (86.2 F)2.9 C (5.2 F)5232 of 100 (Routine)
2023-08-07CorriginRecord high maximum temperature25.0 C (77.0 F)3.2 C (5.8 F)5233 of 100 (Routine)
2023-08-07RavensthorpeRecord high maximum temperature27.5 C (81.5 F)3.1 C (5.6 F)5231 of 100 (Routine)
2023-08-07Emu Creek StationRecord high minimum temperature20.9 C (69.6 F)3.2 C (5.8 F)4128 of 100 (Routine)
2023-08-07Carnarvon AirportRecord high maximum temperature31.9 C (89.4 F)3.1 C (5.6 F)2024 of 100 (Routine)
2023-08-07MullewaRecord high minimum temperature16.8 C (62.2 F)3.8 C (6.8 F)824 of 100 (Routine)
2023-08-07Wongan HillsRecord high maximum temperature25.6 C (78.1 F)1.2 C (2.2 F)5224 of 100 (Routine)
2023-08-08Cape LeeuwinRecord high minimum temperature15.1 C (59.2 F)0.1 C (0.2 F)7632 of 100 (Routine)
2023-08-08NarroginRecord high minimum temperature14.7 C (58.5 F)0.4 C (0.7 F)1626 of 100 (Routine)
2023-08-08Carnarvon AirportRecord high minimum temperature18.4 C (65.1 F)1.6 C (2.9 F)4024 of 100 (Routine)
2023-08-08BencubbinRecord high minimum temperature15.2 C (59.4 F)1.7 C (3.1 F)4524 of 100 (Routine)
2023-08-12Giles Meteorological OfficeRecord high minimum temperature17.8 C (64.0 F)2.5 C (4.5 F)4926 of 100 (Routine)
2023-08-17Alice Springs AirportRecord high minimum temperature18.9 C (66.0 F)2.3 C (4.1 F)4425 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 102 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.