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Built 2026-10-14 (14 October 2026)

Heat wave in Australia, 12 April to 4 May 2019

Heat wave in Australia, 12 April to 4 May 2019: 506 records at 165 stations, peak on 17 April 2019. Closed.

Data as of . Last revised (2026-10-12).

Key Facts

  • Heat wave in Australia, 12 April to 4 May 2019 set or tied 506 station records at 165 stations.
  • It ran from 12 April 2019 to 4 May 2019 (23 days) and its peak day was 17 April 2019.
  • Status: closed.
  • Cape Otway Lighthouse set a monthly record high minimum temperature of 24.3 C (75.7 F) on 17 April 2019.
  • The busiest day was 17 April 2019 with 113 records.
  • The oldest broken record in the ranked list had stood for 133 years.

Footprint

12 April to 4 May 2019
Footprint of Heat wave in Australia, 12 April to 4 May 2019 The area covered by Heat wave in Australia, 12 April to 4 May 2019 is outlined, with 16 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 12 April to 4 May 2019 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, 12 April to 4 May 2019: stations that set records in the event
StationTypeValueDate
Cape Otway LighthouseRecord high minimum temperature24.3 C (75.7 F)2019-04-17
Essendon AirportRecord high minimum temperature21.9 C (71.4 F)2019-04-17
Mount Gambier Post OfficeRecord high maximum temperature32.9 C (91.2 F)2019-04-16
Robe ComparisonRecord high minimum temperature18.5 C (65.3 F)2019-04-17
Sydney Airport AMORecord high minimum temperature19.2 C (66.6 F)2019-05-02
Adelaide West TerraceRecord high maximum temperature33.8 C (92.8 F)2019-04-19
Parafield AirportRecord high minimum temperature23.4 C (74.1 F)2019-04-17
Mount BarkerRecord high minimum temperature23.4 C (74.1 F)2019-04-17
Launceston AirportRecord high maximum temperature23.9 C (75.0 F)2019-04-16
Hobart (Ellerslie Road)Record high minimum temperature15.8 C (60.4 F)2019-04-17
Moruya Heads Pilot StationRecord high minimum temperature19.2 C (66.6 F)2019-05-03
Laverton RaafRecord high minimum temperature21.8 C (71.2 F)2019-04-17
Adelaide AirportRecord high minimum temperature23.1 C (73.6 F)2019-04-17
Edinburgh RaafRecord high maximum temperature35.3 C (95.5 F)2019-04-16
Walpeup ResearchRecord high maximum temperature35.2 C (95.4 F)2019-04-16
Strahan AerodromeRecord high maximum temperature26.6 C (79.9 F)2019-04-16

Records per Day

Peak day 113
Records per day during Heat wave in Australia, 12 April to 4 May 2019 Records set or tied each day from 12 April 2019 to 4 May 2019. The most in one day was 113 on 17 April 2019. 0 30 60 90 120 04-1204-1604-1904-2204-2504-2805-0105-04
Records set or tied each day from 12 April 2019 to 4 May 2019. The most in one day was 113 on 17 April 2019.
Records per day during Heat wave in Australia, 12 April to 4 May 2019
DateRecords
2019-04-121
2019-04-144
2019-04-154
2019-04-1688
2019-04-17113
2019-04-183
2019-04-1927
2019-04-2060
2019-04-2161
2019-04-2214
2019-04-2314
2019-04-246
2019-04-257
2019-04-265
2019-04-271
2019-04-281
2019-04-291
2019-04-301
2019-05-0114
2019-05-0249
2019-05-0326
2019-05-046

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 12 April to 4 May 2019 ranked by margin
Edinburgh Raaf, 04-166.5 C (11.7 F)
Strahan Aerodrome, 04-166.5 C (11.7 F)
Essendon Airport, 04-175.8 C (10.4 F)
Laverton Raaf, 04-175.6 C (10.1 F)
Parafield Airport, 04-165.6 C (10.1 F)
Walpeup Research, 04-165.0 C (9.0 F)
Adelaide Airport, 04-174.8 C (8.6 F)
Parafield Airport, 04-174.1 C (7.4 F)
Essendon Airport, 04-164.0 C (7.2 F)
Launceston Airport, 04-162.8 C (5.0 F)
Essendon Airport, 05-022.2 C (4.0 F)
Mount Gambier Post Office, 04-161.8 C (3.2 F)
Mount Barker, 04-171.7 C (3.1 F)
Cape Otway Lighthouse, 04-171.5 C (2.7 F)
Moruya Heads Pilot Station, 05-030.9 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, 12 April to 4 May 2019 500 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 0.02.04.06.08.0 Margin (C) Years the old record stood
500 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, 12 April to 4 May 2019
Margin (C)Years the old record stood
1.5133
5.877
1.896
0.796
0.176
0.2116
0.196
4.169
2.276
1.756
4.065
0.955
2.865
0.480
5.638
5.644
4.848
6.544
5.052
6.524
7.812
0.444
3.352
4.044
3.748
4.738
3.940
3.842
6.025
4.640
6.624
3.938
0.734
2.745
3.148
2.448
2.648
4.148
3.048
2.548
4.342
5.238
0.365
3.148
3.448
1.624
1.323
0.765
2.952
1.648
1.521
4.342
3.342
1.130
4.038
2.027
0.365
3.548
3.442
0.754
0.960
0.133
0.338
3.448
2.452
2.146
1.946
6.224
7.224
1.857
0.952
0.561
4.124
7.224
6.612
3.048
6.724
0.854
0.560
3.238
3.538
1.952
6.28
2.248
1.248
1.648
1.348
2.348
2.238
1.752
1.448
1.748
1.948
2.548
2.348
2.648
1.548
2.845
1.648
0.554
5.825
2.942
1.948
1.646
0.745
1.348
1.152
1.648
1.748
0.254
3.238
1.252
0.450
0.356
0.623
1.152
0.229
2.338
1.152
1.548
1.452
2.342
0.823
0.629
2.242
2.042
0.230
0.952
1.848
1.048
7.56
4.324
4.828
2.240
0.223
1.348
1.448
2.642
1.152
1.642
2.038
1.742
0.242
0.350
3.124
1.044
0.644
2.27
0.748
1.046
0.852
1.838
2.138
0.252
6.14
0.848
0.548
3.528
0.452
0.618
1.244
0.252
0.450
1.742
4.921
4.78
1.438
2.338
1.542
3.013
1.330
4.412
0.448
0.252
1.838
0.418
1.218
1.444
0.618
0.448
0.448
0.152
0.252
0.352
1.138
0.352
0.648
1.142
1.738
3.324
1.732
0.348
1.838
0.348
0.148
0.344
5.86
2.229
1.538
0.348

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 12 April to 4 May 2019 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, 12 April to 4 May 2019 (this event)506 records

Every Record Set

20 of 506
Every record set or tied during Heat wave in Australia, 12 April to 4 May 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-04-16Mount Gambier Post OfficeRecord high maximum temperature32.9 C (91.2 F)1.8 C (3.2 F)9643 of 100 (Notable)
2019-04-16Essendon AirportRecord high maximum temperature31.1 C (88.0 F)4.0 C (7.2 F)6536 of 100 (Notable)
2019-04-16Launceston AirportRecord high maximum temperature23.9 C (75.0 F)2.8 C (5.0 F)6535 of 100 (Notable)
2019-04-16Parafield AirportRecord high maximum temperature34.5 C (94.1 F)5.6 C (10.1 F)4433 of 100 (Routine)
2019-04-16Edinburgh RaafRecord high maximum temperature35.3 C (95.5 F)6.5 C (11.7 F)4431 of 100 (Routine)
2019-04-16Walpeup ResearchRecord high maximum temperature35.2 C (95.4 F)5.0 C (9.0 F)5231 of 100 (Routine)
2019-04-16Strahan AerodromeRecord high maximum temperature26.6 C (79.9 F)6.5 C (11.7 F)2431 of 100 (Routine)
2019-04-17Cape Otway LighthouseRecord high minimum temperature24.3 C (75.7 F)1.5 C (2.7 F)13356 of 100 (Notable)
2019-04-17Essendon AirportRecord high minimum temperature21.9 C (71.4 F)5.8 C (10.4 F)7749 of 100 (Notable)
2019-04-17Robe ComparisonRecord high minimum temperature18.5 C (65.3 F)0.7 C (1.3 F)9641 of 100 (Notable)
2019-04-17Adelaide West TerraceRecord high minimum temperature24.5 C (76.1 F)0.1 C (0.2 F)9639 of 100 (Notable)
2019-04-17Parafield AirportRecord high minimum temperature23.4 C (74.1 F)4.1 C (7.4 F)6939 of 100 (Notable)
2019-04-17Mount BarkerRecord high minimum temperature23.4 C (74.1 F)1.7 C (3.1 F)5637 of 100 (Notable)
2019-04-17Hobart (Ellerslie Road)Record high minimum temperature15.8 C (60.4 F)0.4 C (0.7 F)8035 of 100 (Notable)
2019-04-17Laverton RaafRecord high minimum temperature21.8 C (71.2 F)5.6 C (10.1 F)3834 of 100 (Routine)
2019-04-17Adelaide AirportRecord high minimum temperature23.1 C (73.6 F)4.8 C (8.6 F)4833 of 100 (Routine)
2019-04-19Adelaide West TerraceRecord high maximum temperature33.8 C (92.8 F)0.2 C (0.4 F)11640 of 100 (Notable)
2019-05-02Sydney Airport AMORecord high minimum temperature19.2 C (66.6 F)0.1 C (0.2 F)7641 of 100 (Notable)
2019-05-02Essendon AirportRecord high minimum temperature16.1 C (61.0 F)2.2 C (4.0 F)7638 of 100 (Notable)
2019-05-03Moruya Heads Pilot StationRecord high minimum temperature19.2 C (66.6 F)0.9 C (1.6 F)5535 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 506 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.