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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 27 June to 8 July 2018

Heat wave in Australia, 27 June to 8 July 2018: 357 records at 184 stations, peak on 5 July 2018. Closed.

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

Key Facts

  • Heat wave in Australia, 27 June to 8 July 2018 set or tied 357 station records at 184 stations.
  • It ran from 27 June 2018 to 8 July 2018 (12 days) and its peak day was 5 July 2018.
  • Status: closed.
  • Adelaide West Terrace set a daily record high minimum temperature of 13.3 C (55.9 F) on 5 July 2018.
  • The busiest day was 5 July 2018 with 113 records.
  • The oldest broken record in the ranked list had stood for 126 years.

Footprint

27 June to 8 July 2018
Footprint of Heat wave in Australia, 27 June to 8 July 2018 The area covered by Heat wave in Australia, 27 June to 8 July 2018 is outlined, with 17 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 27 June to 8 July 2018 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, 27 June to 8 July 2018: stations that set records in the event
StationTypeValueDate
Adelaide West TerraceRecord high minimum temperature13.3 C (55.9 F)2018-07-05
PalmervilleRecord high minimum temperature21.8 C (71.2 F)2018-07-02
Sydney (Observatory Hill)Record high maximum temperature24.8 C (76.6 F)2018-07-06
Richmond Post OfficeRecord high minimum temperature18.6 C (65.5 F)2018-07-01
Salmon Gums Res.STN.Record high minimum temperature14.2 C (57.6 F)2018-07-03
AlbanyRecord high minimum temperature13.0 C (55.4 F)2018-07-03
Gunnedah Resource CentreRecord high maximum temperature24.0 C (75.2 F)2018-07-05
Essendon AirportRecord high maximum temperature17.9 C (64.2 F)2018-07-05
Archerfield AirportRecord high minimum temperature17.7 C (63.9 F)2018-07-07
EllistonRecord high maximum temperature23.4 C (74.1 F)2018-07-03
MullewaRecord high minimum temperature14.1 C (57.4 F)2018-07-03
Sydney Airport AMORecord high maximum temperature25.9 C (78.6 F)2018-07-05
Murrurundi Post OfficeRecord high maximum temperature24.8 C (76.6 F)2018-07-05
Camden Airport AWSRecord high maximum temperature24.3 C (75.7 F)2018-07-05
Lady Elliot IslandRecord high maximum temperature26.4 C (79.5 F)2018-07-06
Richmond RaafRecord high maximum temperature25.5 C (77.9 F)2018-07-05
EuclaRecord high maximum temperature29.0 C (84.2 F)2018-07-03

Records per Day

Peak day 113
Records per day during Heat wave in Australia, 27 June to 8 July 2018 Records set or tied each day from 27 June 2018 to 8 July 2018. The most in one day was 113 on 5 July 2018. 0 30 60 90 120 06-2706-2907-0107-0307-0507-07
Records set or tied each day from 27 June 2018 to 8 July 2018. The most in one day was 113 on 5 July 2018.
Records per day during Heat wave in Australia, 27 June to 8 July 2018
DateRecords
2018-06-273
2018-06-284
2018-06-295
2018-06-308
2018-07-0114
2018-07-0226
2018-07-0329
2018-07-0445
2018-07-05113
2018-07-0688
2018-07-0720
2018-07-082

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 27 June to 8 July 2018 ranked by margin
Sydney Airport AMO, 07-054.6 C (8.3 F)
Sydney Airport AMO, 07-064.6 C (8.3 F)
Eucla, 07-034.4 C (7.9 F)
Camden Airport AWS, 07-054.3 C (7.7 F)
Richmond Raaf, 07-053.6 C (6.5 F)
Elliston, 07-033.4 C (6.1 F)
Gunnedah Resource Centre, 07-053.1 C (5.6 F)
Salmon Gums Res.STN., 07-033.0 C (5.4 F)
Archerfield Airport, 07-072.3 C (4.1 F)
Sydney (Observatory Hill), 07-062.1 C (3.8 F)
Palmerville, 07-021.8 C (3.2 F)
Adelaide West Terrace, 07-051.6 C (2.9 F)
Richmond Post Office, 07-011.4 C (2.5 F)
Albany, 07-031.3 C (2.3 F)
Essendon Airport, 07-051.3 C (2.3 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, 27 June to 8 July 2018 357 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 38 75 113 150 0.01.53.04.56.0 Margin (C) Years the old record stood
357 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, 27 June to 8 July 2018
Margin (C)Years the old record stood
1.6126
1.8117
2.191
1.4105
3.076
1.376
3.167
1.377
3.445
2.373
0.284
4.624
4.620
0.576
0.445
1.142
4.332
3.624
0.668
4.431
0.667
3.124
2.356
0.372
0.342
3.844
4.144
3.520
0.442
3.824
1.448
0.442
3.220
2.624
0.264
0.955
3.944
3.929
3.324
0.361
0.959
3.144
1.944
0.627
2.624
3.624
3.032
2.248
0.559
3.824
3.124
0.753
1.647
2.724
1.944
1.844
2.724
3.531
2.529
5.320
4.629
2.044
2.324
2.724
2.824
3.320
0.356
2.044
2.231
2.124
1.547
1.444
0.840
0.644
1.828
2.725
2.224
2.224
0.651
0.248
3.321
1.729
2.224
2.324
2.324
0.844
2.412
2.520
2.724
2.429
1.427
1.527
2.520
0.344
0.124
1.344
1.932
1.932
0.345
1.424
1.832
2.324
2.429
2.012
1.043
1.027
2.416
4.74
2.024
1.632
1.824
0.729
0.536
1.344
1.044
2.225
2.024
1.724
1.129
1.131
2.716
0.144
0.929
0.644
1.729
1.924
1.924
1.924
0.440
1.624
1.320
1.424
0.71
1.624
2.024
1.524
1.324
1.524
1.615
0.632
1.124
0.729
0.324
1.621
1.627
1.711
1.617
0.231
0.829
0.836
0.636
1.324
1.629
1.332
1.229
1.625
1.624
1.429
1.224
1.124
0.827
1.424
1.621
2.021
0.921
0.227
2.121
0.432
0.629
0.729
0.629
1.723
1.224
1.224
0.725
2.320
0.140
2.312
1.220
1.524
1.024
0.732
0.629
1.029
1.429
0.44
0.336
0.327
0.921
1.620
1.920
1.132
2.213
0.229
0.724
0.728
0.129
1.124
0.51
0.335

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 27 June to 8 July 2018 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, 27 June to 8 July 2018 (this event)357 records

Every Record Set

20 of 357
Every record set or tied during Heat wave in Australia, 27 June to 8 July 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-06-30Archerfield AirportRecord high maximum temperature24.2 C (75.6 F)0.5 C (0.9 F)7632 of 100 (Routine)
2018-07-01Richmond Post OfficeRecord high minimum temperature18.6 C (65.5 F)1.4 C (2.5 F)10543 of 100 (Notable)
2018-07-02PalmervilleRecord high minimum temperature21.8 C (71.2 F)1.8 C (3.2 F)11746 of 100 (Notable)
2018-07-03Salmon Gums Res.STN.Record high minimum temperature14.2 C (57.6 F)3.0 C (5.4 F)7640 of 100 (Notable)
2018-07-03AlbanyRecord high minimum temperature13.0 C (55.4 F)1.3 C (2.3 F)7639 of 100 (Notable)
2018-07-03EllistonRecord high maximum temperature23.4 C (74.1 F)3.4 C (6.1 F)4536 of 100 (Notable)
2018-07-03MullewaRecord high minimum temperature14.1 C (57.4 F)0.2 C (0.4 F)8434 of 100 (Routine)
2018-07-03EuclaRecord high maximum temperature29.0 C (84.2 F)4.4 C (7.9 F)3129 of 100 (Routine)
2018-07-05Adelaide West TerraceRecord high minimum temperature13.3 C (55.9 F)1.6 C (2.9 F)12647 of 100 (Notable)
2018-07-05Gunnedah Resource CentreRecord high maximum temperature24.0 C (75.2 F)3.1 C (5.6 F)6738 of 100 (Notable)
2018-07-05Essendon AirportRecord high maximum temperature17.9 C (64.2 F)1.3 C (2.3 F)7737 of 100 (Notable)
2018-07-05Sydney Airport AMORecord high maximum temperature25.9 C (78.6 F)4.6 C (8.3 F)2434 of 100 (Routine)
2018-07-05Murrurundi Post OfficeRecord high maximum temperature24.8 C (76.6 F)1.1 C (2.0 F)4231 of 100 (Routine)
2018-07-05Camden Airport AWSRecord high maximum temperature24.3 C (75.7 F)4.3 C (7.7 F)3231 of 100 (Routine)
2018-07-05Richmond RaafRecord high maximum temperature25.5 C (77.9 F)3.6 C (6.5 F)2430 of 100 (Routine)
2018-07-05Essendon AirportRecord high minimum temperature10.8 C (51.4 F)0.6 C (1.1 F)6830 of 100 (Routine)
2018-07-06Sydney (Observatory Hill)Record high maximum temperature24.8 C (76.6 F)2.1 C (3.8 F)9145 of 100 (Notable)
2018-07-06Sydney Airport AMORecord high maximum temperature26.4 C (79.5 F)4.6 C (8.3 F)2033 of 100 (Routine)
2018-07-06Lady Elliot IslandRecord high maximum temperature26.4 C (79.5 F)0.4 C (0.7 F)4531 of 100 (Routine)
2018-07-07Archerfield AirportRecord high minimum temperature17.7 C (63.9 F)2.3 C (4.1 F)7336 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 357 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.