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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, 19 to 27 October 2023

Heat wave in Australia, 19 to 27 October 2023: 108 records at 70 stations, peak on 25 October 2023. Closed.

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

Key Facts

  • Heat wave in Australia, 19 to 27 October 2023 set or tied 108 station records at 70 stations.
  • It ran from 19 October 2023 to 27 October 2023 (9 days) and its peak day was 25 October 2023.
  • Status: closed.
  • Richmond Raaf set a daily record high maximum temperature of 36.8 C (98.2 F) on 24 October 2023.
  • The busiest day was 25 October 2023 with 32 records.
  • The oldest broken record in the ranked list had stood for 77 years.

Footprint

19 to 27 October 2023
Footprint of Heat wave in Australia, 19 to 27 October 2023 The area covered by Heat wave in Australia, 19 to 27 October 2023 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 19 to 27 October 2023 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 19 to 27 October 2023: stations that set records in the event
StationTypeValueDate
Richmond RaafRecord high maximum temperature36.8 C (98.2 F)2023-10-24
Yamba Pilot StationRecord high minimum temperature21.8 C (71.2 F)2023-10-24
Coffs Harbour MoRecord high maximum temperature33.5 C (92.3 F)2023-10-25
Amberley AMORecord high maximum temperature35.2 C (95.4 F)2023-10-25
Williamtown RaafRecord high maximum temperature35.4 C (95.7 F)2023-10-22
Injune Post OfficeRecord high maximum temperature38.0 C (100.4 F)2023-10-22
Tenterfield (Federation Park)Record high minimum temperature18.0 C (64.4 F)2023-10-24
Texas Post OfficeRecord high minimum temperature21.6 C (70.9 F)2023-10-25
SuratRecord high minimum temperature22.3 C (72.1 F)2023-10-25
Taroom Post OfficeRecord high minimum temperature21.2 C (70.2 F)2023-10-24
Oakey AeroRecord high maximum temperature35.6 C (96.1 F)2023-10-22
Essendon AirportRecord high minimum temperature20.5 C (68.9 F)2023-10-21
KeithRecord high maximum temperature34.2 C (93.6 F)2023-10-20
Seventeen SeventyRecord high maximum temperature30.2 C (86.4 F)2023-10-25
Scottsdale (West Minstone RoadRecord high maximum temperature24.2 C (75.6 F)2023-10-20
Launceston (Ti Tree Bend)Record high maximum temperature25.6 C (78.1 F)2023-10-20
Lostock DamRecord high maximum temperature31.6 C (88.9 F)2023-10-25
Quirindi Post OfficeRecord high minimum temperature18.5 C (65.3 F)2023-10-22
Monto TownshipRecord high maximum temperature36.4 C (97.5 F)2023-10-23
Woolbrook (Danglemah Road)Record high maximum temperature31.0 C (87.8 F)2023-10-24

Records per Day

Peak day 32
Records per day during Heat wave in Australia, 19 to 27 October 2023 Records set or tied each day from 19 October 2023 to 27 October 2023. The most in one day was 32 on 25 October 2023. 0 10 20 30 40 10-1910-2010-2110-2210-2310-2410-2510-2610-27
Records set or tied each day from 19 October 2023 to 27 October 2023. The most in one day was 32 on 25 October 2023.
Records per day during Heat wave in Australia, 19 to 27 October 2023
DateRecords
2023-10-192
2023-10-207
2023-10-2115
2023-10-2211
2023-10-237
2023-10-2427
2023-10-2532
2023-10-266
2023-10-271

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 19 to 27 October 2023 ranked by margin
Essendon Airport, 10-213.5 C (6.3 F)
Oakey Aero, 10-223.0 C (5.4 F)
Woolbrook (Danglemah Road), 10-243.0 C (5.4 F)
Coffs Harbour Mo, 10-252.6 C (4.7 F)
Richmond Raaf, 10-242.4 C (4.3 F)
Tenterfield (Federation Park), 10-241.9 C (3.4 F)
Keith, 10-201.9 C (3.4 F)
Texas Post Office, 10-251.7 C (3.1 F)
Seventeen Seventy, 10-251.7 C (3.1 F)
Surat, 10-251.5 C (2.7 F)
Quirindi Post Office, 10-221.4 C (2.5 F)
Launceston (Ti Tree Bend), 10-201.1 C (2.0 F)
Amberley AMO, 10-251.0 C (1.8 F)
Injune Post Office, 10-221.0 C (1.8 F)
Scottsdale (West Minstone Road, 10-200.8 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, 19 to 27 October 2023 108 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
108 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, 19 to 27 October 2023
Margin (C)Years the old record stood
2.477
0.455
2.664
1.066
0.454
1.748
1.054
1.548
1.948
0.154
3.032
3.58
1.934
1.716
0.638
0.832
1.132
0.234
1.428
3.013
1.013
3.18
2.013
1.512
1.718
0.332
2.220
0.728
0.418
0.413
1.028
1.613
0.920
0.620
0.118
1.814
2.30
0.818
1.98
1.89
0.720
0.924
1.413
2.38
3.04
1.020
2.39
1.414
0.78
0.613
1.78
0.518
1.68
1.48
1.24
1.58
2.44
0.717
0.717
0.113
0.218
2.04
2.28
1.84
1.69
0.813
0.616
0.512
0.18
0.610
0.38
0.54
1.213
0.98
1.28
0.912
0.513
0.94
1.04
0.48
1.09
0.58
0.74
0.913
0.212
0.58
1.90
0.312
0.98
0.91
1.81
0.64
0.28
1.08
0.84
1.18
0.58
0.28
0.79
0.28
1.11
0.94
0.58
0.18
0.29
0.54
0.51
0.44

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 19 to 27 October 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, 19 to 27 October 2023 (this event)108 records

Every Record Set

20 of 108
Every record set or tied during Heat wave in Australia, 19 to 27 October 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-10-20KeithRecord high maximum temperature34.2 C (93.6 F)1.9 C (3.4 F)3419 of 100 (Routine)
2023-10-20Scottsdale (West Minstone RoadRecord high maximum temperature24.2 C (75.6 F)0.8 C (1.4 F)3217 of 100 (Routine)
2023-10-20Launceston (Ti Tree Bend)Record high maximum temperature25.6 C (78.1 F)1.1 C (2.0 F)3217 of 100 (Routine)
2023-10-21Essendon AirportRecord high minimum temperature20.5 C (68.9 F)3.5 C (6.3 F)820 of 100 (Routine)
2023-10-22Williamtown RaafRecord high maximum temperature35.4 C (95.7 F)0.4 C (0.7 F)5424 of 100 (Routine)
2023-10-22Injune Post OfficeRecord high maximum temperature38.0 C (100.4 F)1.0 C (1.8 F)5423 of 100 (Routine)
2023-10-22Oakey AeroRecord high maximum temperature35.6 C (96.1 F)3.0 C (5.4 F)3221 of 100 (Routine)
2023-10-22Quirindi Post OfficeRecord high minimum temperature18.5 C (65.3 F)1.4 C (2.5 F)2816 of 100 (Routine)
2023-10-23Monto TownshipRecord high maximum temperature36.4 C (97.5 F)0.2 C (0.4 F)3416 of 100 (Routine)
2023-10-24Richmond RaafRecord high maximum temperature36.8 C (98.2 F)2.4 C (4.3 F)7736 of 100 (Notable)
2023-10-24Yamba Pilot StationRecord high minimum temperature21.8 C (71.2 F)0.4 C (0.7 F)5535 of 100 (Notable)
2023-10-24Tenterfield (Federation Park)Record high minimum temperature18.0 C (64.4 F)1.9 C (3.4 F)4823 of 100 (Routine)
2023-10-24Taroom Post OfficeRecord high minimum temperature21.2 C (70.2 F)0.1 C (0.2 F)5422 of 100 (Routine)
2023-10-24Woolbrook (Danglemah Road)Record high maximum temperature31.0 C (87.8 F)3.0 C (5.4 F)1316 of 100 (Routine)
2023-10-25Coffs Harbour MoRecord high maximum temperature33.5 C (92.3 F)2.6 C (4.7 F)6435 of 100 (Notable)
2023-10-25Amberley AMORecord high maximum temperature35.2 C (95.4 F)1.0 C (1.8 F)6630 of 100 (Routine)
2023-10-25Texas Post OfficeRecord high minimum temperature21.6 C (70.9 F)1.7 C (3.1 F)4823 of 100 (Routine)
2023-10-25SuratRecord high minimum temperature22.3 C (72.1 F)1.5 C (2.7 F)4823 of 100 (Routine)
2023-10-25Seventeen SeventyRecord high maximum temperature30.2 C (86.4 F)1.7 C (3.1 F)1618 of 100 (Routine)
2023-10-25Lostock DamRecord high maximum temperature31.6 C (88.9 F)0.6 C (1.1 F)3817 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 108 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.