Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 11 to 30 April 2020

Heat wave in Australia, 11 to 30 April 2020: 191 records at 89 stations, peak on 30 April 2020. Closed.

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

Key Facts

  • Heat wave in Australia, 11 to 30 April 2020 set or tied 191 station records at 89 stations.
  • It ran from 11 April 2020 to 30 April 2020 (20 days) and its peak day was 30 April 2020.
  • Status: closed.
  • Cairns Post Office set a daily record high minimum temperature of 24.1 C (75.4 F) on 19 April 2020.
  • The busiest day was 16 April 2020 with 24 records.
  • The oldest broken record in the ranked list had stood for 125 years.

Footprint

11 to 30 April 2020
Footprint of Heat wave in Australia, 11 to 30 April 2020 The area covered by Heat wave in Australia, 11 to 30 April 2020 is outlined, with 17 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 11 to 30 April 2020 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, 11 to 30 April 2020: stations that set records in the event
StationTypeValueDate
Cairns Post OfficeRecord high minimum temperature24.1 C (75.4 F)2020-04-19
Mackay M.ORecord high maximum temperature31.3 C (88.3 F)2020-04-18
Mackay AeroRecord high maximum temperature30.7 C (87.3 F)2020-04-18
Ceduna AMORecord high maximum temperature38.4 C (101.1 F)2020-04-15
Murwillumbah (Bray Park)Record high maximum temperature32.7 C (90.9 F)2020-04-16
Mildura AirportRecord high minimum temperature19.0 C (66.2 F)2020-04-16
Isisford Post OfficeRecord high maximum temperature36.9 C (98.4 F)2020-04-23
Amberley AMORecord high maximum temperature31.1 C (88.0 F)2020-04-30
Yamba Pilot StationRecord high maximum temperature31.8 C (89.2 F)2020-04-17
Lady Elliot IslandRecord high maximum temperature29.4 C (84.9 F)2020-04-30
Cape Moreton LighthouseRecord high maximum temperature27.0 C (80.6 F)2020-04-29
Bundaberg AeroRecord high minimum temperature20.8 C (69.4 F)2020-04-19
Double Island Point LighthouseRecord high minimum temperature22.6 C (72.7 F)2020-04-28
Moruya Heads Pilot StationRecord high minimum temperature18.0 C (64.4 F)2020-04-16
Trangie Research Station AWSRecord high minimum temperature18.7 C (65.7 F)2020-04-29
HawkerRecord high minimum temperature19.9 C (67.8 F)2020-04-16
Proserpine AirportRecord high maximum temperature33.9 C (93.0 F)2020-04-18

Records per Day

Peak day 23
Records per day during Heat wave in Australia, 11 to 30 April 2020 Records set or tied each day from 11 April 2020 to 30 April 2020. The most in one day was 24 on 16 April 2020. 0 6 13 19 25 04-1104-1304-1504-1704-1904-2104-2304-2504-2704-29
Records set or tied each day from 11 April 2020 to 30 April 2020. The most in one day was 24 on 16 April 2020.
Records per day during Heat wave in Australia, 11 to 30 April 2020
DateRecords
2020-04-111
2020-04-124
2020-04-133
2020-04-141
2020-04-1513
2020-04-1624
2020-04-1718
2020-04-1820
2020-04-197
2020-04-2011
2020-04-2114
2020-04-2211
2020-04-235
2020-04-246
2020-04-253
2020-04-262
2020-04-271
2020-04-289
2020-04-2915
2020-04-3023

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 11 to 30 April 2020 ranked by margin
Proserpine Airport, 04-182.9 C (5.2 F)
Mackay M.O, 04-182.8 C (5.0 F)
Murwillumbah (Bray Park), 04-162.8 C (5.0 F)
Trangie Research Station AWS, 04-292.6 C (4.7 F)
Hawker, 04-162.1 C (3.8 F)
Mackay M.O, 04-191.9 C (3.4 F)
Lady Elliot Island, 04-301.4 C (2.5 F)
Moruya Heads Pilot Station, 04-161.4 C (2.5 F)
Isisford Post Office, 04-231.3 C (2.3 F)
Yamba Pilot Station, 04-171.1 C (2.0 F)
Mildura Airport, 04-160.9 C (1.6 F)
Cape Moreton Lighthouse, 04-290.9 C (1.6 F)
Mackay Aero, 04-180.8 C (1.4 F)
Ceduna AMO, 04-150.8 C (1.4 F)
Lady Elliot Island, 04-180.7 C (1.3 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, 11 to 30 April 2020 191 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 0.01.32.53.85.0 Margin (C) Years the old record stood
191 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, 11 to 30 April 2020
Margin (C)Years the old record stood
0.2125
2.841
0.869
0.867
2.847
0.967
1.363
0.563
0.366
1.437
0.956
1.152
1.930
0.751
0.560
0.463
2.647
1.447
2.149
2.918
1.647
3.27
1.047
0.652
0.852
1.840
2.220
0.250
0.847
2.420
0.752
0.452
1.252
1.147
0.652
0.852
0.252
1.047
1.547
1.047
2.638
1.818
0.247
0.352
3.12
0.452
1.640
2.817
2.234
0.752
0.935
0.925
1.135
2.018
1.137
0.930
0.152
0.447
0.747
0.247
1.340
3.22
0.95
1.918
2.033
0.147
1.537
0.725
1.324
1.322
0.530
1.522
2.72
1.429
3.817
0.247
0.640
0.924
0.536
0.333
0.830
0.534
1.018
0.239
4.61
2.616
0.232
0.130
0.717
0.718
0.920
0.429
1.718
2.52
2.616
0.135
0.624
0.232
1.018
0.139
1.224
2.216
0.518
0.433
1.816
0.532
3.31
0.717
0.724
0.233
1.118
1.315
1.56
1.34
1.719
0.528
0.328
1.313
0.813
1.122
0.332
0.333
0.218
1.118
1.118
0.518
0.429
0.427
1.415
0.332
1.92
2.316
0.418
0.122
0.219
0.318
0.84
1.015
2.42
1.310
0.222
0.118
1.213
1.74
0.518
0.517
1.013
0.416
0.915
0.916
2.71
0.118
0.114
1.17
1.62
0.811
0.715
0.319
0.913
0.25
0.46
0.34
0.25
0.92
0.48
0.316
0.314
0.416
1.25
1.11
0.44
0.27
0.64
0.17
0.72
0.913
0.14
0.22
0.41
0.17
0.113
0.78
0.26
0.62
0.32
0.22
0.92
0.22
0.25
0.24
0.12

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 11 to 30 April 2020 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, 11 to 30 April 2020 (this event)191 records

Every Record Set

20 of 191
Every record set or tied during Heat wave in Australia, 11 to 30 April 2020, in date order
DateStationRecordValueMarginYears stoodSignificance
2020-04-15Ceduna AMORecord high maximum temperature38.4 C (101.1 F)0.8 C (1.4 F)6729 of 100 (Routine)
2020-04-16Murwillumbah (Bray Park)Record high maximum temperature32.7 C (90.9 F)2.8 C (5.0 F)4729 of 100 (Routine)
2020-04-16Mildura AirportRecord high minimum temperature19.0 C (66.2 F)0.9 C (1.6 F)6729 of 100 (Routine)
2020-04-16Moruya Heads Pilot StationRecord high minimum temperature18.0 C (64.4 F)1.4 C (2.5 F)4725 of 100 (Routine)
2020-04-16HawkerRecord high minimum temperature19.9 C (67.8 F)2.1 C (3.8 F)4924 of 100 (Routine)
2020-04-17Yamba Pilot StationRecord high maximum temperature31.8 C (89.2 F)1.1 C (2.0 F)5227 of 100 (Routine)
2020-04-18Mackay M.ORecord high maximum temperature31.3 C (88.3 F)2.8 C (5.0 F)4135 of 100 (Notable)
2020-04-18Mackay AeroRecord high maximum temperature30.7 C (87.3 F)0.8 C (1.4 F)6932 of 100 (Routine)
2020-04-18Lady Elliot IslandRecord high maximum temperature29.4 C (84.9 F)0.7 C (1.3 F)5126 of 100 (Routine)
2020-04-18Proserpine AirportRecord high maximum temperature33.9 C (93.0 F)2.9 C (5.2 F)1824 of 100 (Routine)
2020-04-19Cairns Post OfficeRecord high minimum temperature24.1 C (75.4 F)0.2 C (0.4 F)12541 of 100 (Notable)
2020-04-19Mackay M.ORecord high maximum temperature31.5 C (88.7 F)1.9 C (3.4 F)3026 of 100 (Routine)
2020-04-19Bundaberg AeroRecord high minimum temperature20.8 C (69.4 F)0.5 C (0.9 F)6026 of 100 (Routine)
2020-04-21Mackay AeroRecord high minimum temperature22.4 C (72.3 F)0.3 C (0.5 F)6627 of 100 (Routine)
2020-04-23Isisford Post OfficeRecord high maximum temperature36.9 C (98.4 F)1.3 C (2.3 F)6328 of 100 (Routine)
2020-04-28Double Island Point LighthouseRecord high minimum temperature22.6 C (72.7 F)0.4 C (0.7 F)6326 of 100 (Routine)
2020-04-29Cape Moreton LighthouseRecord high maximum temperature27.0 C (80.6 F)0.9 C (1.6 F)5627 of 100 (Routine)
2020-04-29Trangie Research Station AWSRecord high minimum temperature18.7 C (65.7 F)2.6 C (4.7 F)4725 of 100 (Routine)
2020-04-30Amberley AMORecord high maximum temperature31.1 C (88.0 F)0.5 C (0.9 F)6328 of 100 (Routine)
2020-04-30Lady Elliot IslandRecord high maximum temperature29.4 C (84.9 F)1.4 C (2.5 F)3727 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 191 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.