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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, 10 to 28 April 2025

Heat wave in Australia, 10 to 28 April 2025: 511 records at 155 stations, peak on 13 April 2025. Closed.

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

Key Facts

  • Heat wave in Australia, 10 to 28 April 2025 set or tied 511 station records at 155 stations.
  • It ran from 10 April 2025 to 28 April 2025 (19 days) and its peak day was 13 April 2025.
  • Status: closed.
  • Adelaide West Terrace set a daily record high maximum temperature of 34.5 C (94.1 F) on 13 April 2025.
  • The busiest day was 13 April 2025 with 70 records.
  • The oldest broken record in the ranked list had stood for 122 years.

Footprint

10 to 28 April 2025
Footprint of Heat wave in Australia, 10 to 28 April 2025 The area covered by Heat wave in Australia, 10 to 28 April 2025 is outlined, with 15 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 10 to 28 April 2025 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 10 to 28 April 2025: stations that set records in the event
StationTypeValueDate
Adelaide West TerraceRecord high maximum temperature34.5 C (94.1 F)2025-04-13
Mount Gambier Post OfficeRecord high maximum temperature32.0 C (89.6 F)2025-04-15
Hobart (Ellerslie Road)Record high maximum temperature27.0 C (80.6 F)2025-04-10
KyancuttaRecord high maximum temperature35.5 C (95.9 F)2025-04-12
Cape WilloughbyRecord high maximum temperature32.3 C (90.1 F)2025-04-15
Essendon AirportRecord high minimum temperature18.0 C (64.4 F)2025-04-18
Richmond RaafRecord high maximum temperature31.3 C (88.3 F)2025-04-20
Eddystone PointRecord high maximum temperature26.2 C (79.2 F)2025-04-13
EudundaRecord high minimum temperature19.4 C (66.9 F)2025-04-19
Walpeup ResearchRecord high minimum temperature21.1 C (70.0 F)2025-04-19
Moruya Heads Pilot StationRecord high maximum temperature29.0 C (84.2 F)2025-04-20
Mount Gambier AeroRecord high maximum temperature32.5 C (90.5 F)2025-04-12
EuclaRecord high maximum temperature38.9 C (102.0 F)2025-04-13
MaitlandRecord high minimum temperature22.6 C (72.7 F)2025-04-16
Neptune IslandRecord high maximum temperature28.2 C (82.8 F)2025-04-13

Records per Day

Peak day 70
Records per day during Heat wave in Australia, 10 to 28 April 2025 Records set or tied each day from 10 April 2025 to 28 April 2025. The most in one day was 70 on 13 April 2025. 0 20 40 60 80 04-1004-1204-1404-1604-1804-2004-2204-2404-2604-28
Records set or tied each day from 10 April 2025 to 28 April 2025. The most in one day was 70 on 13 April 2025.
Records per day during Heat wave in Australia, 10 to 28 April 2025
DateRecords
2025-04-104
2025-04-114
2025-04-1233
2025-04-1370
2025-04-1431
2025-04-1550
2025-04-1626
2025-04-1722
2025-04-1853
2025-04-1953
2025-04-2055
2025-04-2112
2025-04-221
2025-04-2318
2025-04-2414
2025-04-2532
2025-04-2620
2025-04-2710
2025-04-283

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 10 to 28 April 2025 ranked by margin
Cape Willoughby, 04-154.7 C (8.5 F)
Eucla, 04-134.6 C (8.3 F)
Neptune Island, 04-134.0 C (7.2 F)
Walpeup Research, 04-193.5 C (6.3 F)
Maitland, 04-163.4 C (6.1 F)
Eudunda, 04-193.1 C (5.6 F)
Richmond Raaf, 04-202.8 C (5.0 F)
Mount Gambier Post Office, 04-122.5 C (4.5 F)
Moruya Heads Pilot Station, 04-202.3 C (4.1 F)
Mount Gambier Post Office, 04-152.0 C (3.6 F)
Eddystone Point, 04-132.0 C (3.6 F)
Adelaide West Terrace, 04-131.8 C (3.2 F)
Adelaide West Terrace, 04-121.5 C (2.7 F)
Mount Gambier Aero, 04-121.5 C (2.7 F)
Adelaide West Terrace, 04-151.4 C (2.5 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, 10 to 28 April 2025 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, 10 to 28 April 2025
Margin (C)Years the old record stood
1.8100
2.0103
1.5120
0.2122
1.484
2.570
0.683
0.657
4.748
1.372
0.684
2.859
3.158
2.356
3.558
2.059
4.654
3.448
1.567
4.018
3.554
0.572
2.158
3.955
0.272
1.060
4.644
2.558
0.372
0.270
2.650
6.924
0.454
0.754
1.554
4.236
0.656
0.958
2.651
1.358
0.758
0.858
0.960
1.450
2.244
2.644
1.255
4.430
2.244
0.859
1.156
1.059
0.858
0.258
0.655
0.258
0.562
0.264
2.438
2.535
1.650
1.744
0.659
0.458
0.858
1.055
0.658
1.054
0.940
3.027
0.454
0.552
1.148
1.148
1.744
3.618
0.458
0.158
3.820
0.258
0.444
0.752
5.420
1.248
2.726
1.740
4.432
1.644
0.254
0.156
0.254
0.155
1.144
1.940
1.048
0.748
0.344
3.618
0.847
0.946
0.640
1.444
1.435
3.78
5.215
0.844
0.548
2.036
3.218
0.144
0.148
0.544
1.142
0.444
3.88
3.023
0.544
0.548
3.428
4.715
3.728
3.628
0.248
1.232
5.112
0.244
3.323
2.326
0.244
0.244
3.724
2.131
1.932
1.243
3.328
5.312
5.115
0.744
3.720
0.144
4.320
1.535
1.034
2.619
0.640
0.244
2.223
0.240
3.028
0.432
1.236
0.140
2.223
1.918
3.54
3.46
0.931
2.520
1.232
1.932
4.08
3.912
2.020
2.232
0.835
2.124
1.820
3.520
0.140
0.340
2.815
2.228
2.728
3.312
3.020
1.324
0.540
0.236
0.236
1.931
2.320
1.020
1.132
1.620
0.832
3.118
0.524
0.336
2.024
2.815
1.824
3.015
2.428
0.220
3.320
3.020
0.431
1.823
3.315
1.220

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 10 to 28 April 2025 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, 10 to 28 April 2025 (this event)511 records

Every Record Set

20 of 511
Every record set or tied during Heat wave in Australia, 10 to 28 April 2025, in date order
DateStationRecordValueMarginYears stoodSignificance
2025-04-10Hobart (Ellerslie Road)Record high maximum temperature27.0 C (80.6 F)0.2 C (0.4 F)12240 of 100 (Notable)
2025-04-12Adelaide West TerraceRecord high maximum temperature33.8 C (92.8 F)1.5 C (2.7 F)12043 of 100 (Notable)
2025-04-12Mount Gambier Post OfficeRecord high maximum temperature32.5 C (90.5 F)2.5 C (4.5 F)7036 of 100 (Notable)
2025-04-12KyancuttaRecord high maximum temperature35.5 C (95.9 F)0.6 C (1.1 F)8334 of 100 (Routine)
2025-04-12Mount Gambier AeroRecord high maximum temperature32.5 C (90.5 F)1.5 C (2.7 F)6731 of 100 (Routine)
2025-04-13Adelaide West TerraceRecord high maximum temperature34.5 C (94.1 F)1.8 C (3.2 F)10044 of 100 (Notable)
2025-04-13Eddystone PointRecord high maximum temperature26.2 C (79.2 F)2.0 C (3.6 F)5932 of 100 (Routine)
2025-04-13EuclaRecord high maximum temperature38.9 C (102.0 F)4.6 C (8.3 F)5431 of 100 (Routine)
2025-04-13Neptune IslandRecord high maximum temperature28.2 C (82.8 F)4.0 C (7.2 F)1830 of 100 (Routine)
2025-04-14Adelaide West TerraceRecord high maximum temperature33.7 C (92.7 F)1.3 C (2.3 F)7234 of 100 (Routine)
2025-04-15Mount Gambier Post OfficeRecord high maximum temperature32.0 C (89.6 F)2.0 C (3.6 F)10344 of 100 (Notable)
2025-04-15Adelaide West TerraceRecord high minimum temperature22.3 C (72.1 F)1.4 C (2.5 F)8439 of 100 (Notable)
2025-04-15Cape WilloughbyRecord high maximum temperature32.3 C (90.1 F)4.7 C (8.5 F)4834 of 100 (Routine)
2025-04-16Cape WilloughbyRecord high minimum temperature22.3 C (72.1 F)0.6 C (1.1 F)5734 of 100 (Routine)
2025-04-16MaitlandRecord high minimum temperature22.6 C (72.7 F)3.4 C (6.1 F)4831 of 100 (Routine)
2025-04-18Essendon AirportRecord high minimum temperature18.0 C (64.4 F)0.6 C (1.1 F)8434 of 100 (Routine)
2025-04-19EudundaRecord high minimum temperature19.4 C (66.9 F)3.1 C (5.6 F)5832 of 100 (Routine)
2025-04-19Walpeup ResearchRecord high minimum temperature21.1 C (70.0 F)3.5 C (6.3 F)5832 of 100 (Routine)
2025-04-20Richmond RaafRecord high maximum temperature31.3 C (88.3 F)2.8 C (5.0 F)5933 of 100 (Routine)
2025-04-20Moruya Heads Pilot StationRecord high maximum temperature29.0 C (84.2 F)2.3 C (4.1 F)5632 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 511 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.