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Heat wave in Australia, 15 to 22 March 2018

Heat wave in Australia, 15 to 22 March 2018: 106 records at 62 stations, peak on 18 March 2018. Closed.

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

Key Facts

  • Heat wave in Australia, 15 to 22 March 2018 set or tied 106 station records at 62 stations.
  • It ran from 15 March 2018 to 22 March 2018 (8 days) and its peak day was 18 March 2018.
  • Status: closed.
  • Sydney Airport AMO set a daily record high maximum temperature of 40.5 C (104.9 F) on 18 March 2018.
  • The busiest day was 18 March 2018 with 42 records.
  • The oldest broken record in the ranked list had stood for 91 years.

Footprint

15 to 22 March 2018
Footprint of Heat wave in Australia, 15 to 22 March 2018 The area covered by Heat wave in Australia, 15 to 22 March 2018 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 15 to 22 March 2018 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 15 to 22 March 2018: stations that set records in the event
StationTypeValueDate
Sydney Airport AMORecord high maximum temperature40.5 C (104.9 F)2018-03-18
Sydney (Observatory Hill)Record high maximum temperature38.4 C (101.1 F)2018-03-18
East Sale AirportRecord high minimum temperature21.0 C (69.8 F)2018-03-18
Bankstown Airport AWSRecord high maximum temperature40.1 C (104.2 F)2018-03-18
Camden Airport AWSRecord high maximum temperature39.7 C (103.5 F)2018-03-18
Cobar MoRecord high maximum temperature39.3 C (102.7 F)2018-03-17
Trangie Research Station AWSRecord high maximum temperature38.9 C (102.0 F)2018-03-17
Hillston AirportRecord high maximum temperature39.0 C (102.2 F)2018-03-17
Newcastle Nobbys Signal StatioRecord high maximum temperature36.9 C (98.4 F)2018-03-18
Parramatta North (Masons DriveRecord high maximum temperature38.5 C (101.3 F)2018-03-18
Gabo Island LighthouseRecord high maximum temperature33.6 C (92.5 F)2018-03-18
Yarras (Mount Seaview)Record high maximum temperature37.5 C (99.5 F)2018-03-18
Glen Innes Ag Research STNRecord high minimum temperature19.5 C (67.1 F)2018-03-20
Barraba Post OfficeRecord high maximum temperature37.3 C (99.1 F)2018-03-21
Bairnsdale AirportRecord high minimum temperature22.1 C (71.8 F)2018-03-18
Quirindi Post OfficeRecord high maximum temperature36.0 C (96.8 F)2018-03-16
Katoomba (Murri St)Record high maximum temperature30.2 C (86.4 F)2018-03-18
Wynyard AirportRecord high minimum temperature15.8 C (60.4 F)2018-03-18

Records per Day

Peak day 42
Records per day during Heat wave in Australia, 15 to 22 March 2018 Records set or tied each day from 15 March 2018 to 22 March 2018. The most in one day was 42 on 18 March 2018. 0 13 25 38 50 03-1503-1603-1703-1803-1903-2003-2103-22
Records set or tied each day from 15 March 2018 to 22 March 2018. The most in one day was 42 on 18 March 2018.
Records per day during Heat wave in Australia, 15 to 22 March 2018
DateRecords
2018-03-154
2018-03-1611
2018-03-1731
2018-03-1842
2018-03-199
2018-03-204
2018-03-214
2018-03-221

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 15 to 22 March 2018 ranked by margin
Sydney Airport AMO, 03-187.3 C (13.1 F)
Camden Airport AWS, 03-185.2 C (9.4 F)
Bankstown Airport AWS, 03-185.1 C (9.2 F)
Yarras (Mount Seaview), 03-185.0 C (9.0 F)
Trangie Research Station AWS, 03-173.9 C (7.0 F)
Newcastle Nobbys Signal Statio, 03-183.6 C (6.5 F)
Cobar Mo, 03-173.1 C (5.6 F)
Barraba Post Office, 03-212.9 C (5.2 F)
Parramatta North (Masons Drive, 03-182.7 C (4.9 F)
Cobar Mo, 03-182.3 C (4.1 F)
Quirindi Post Office, 03-162.3 C (4.1 F)
Hillston Airport, 03-171.8 C (3.2 F)
Gabo Island Lighthouse, 03-181.6 C (2.9 F)
Sydney Airport AMO, 03-150.9 C (1.6 F)
Glen Innes Ag Research STN, 03-200.8 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, 15 to 22 March 2018 106 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 25 50 75 100 0.02.04.06.08.0 Margin (C) Years the old record stood
106 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, 15 to 22 March 2018
Margin (C)Years the old record stood
7.344
0.391
0.269
5.144
5.244
0.964
3.153
3.940
3.623
2.744
1.853
1.67
2.344
2.936
0.829
5.016
0.618
2.337
0.253
0.656
1.140
3.027
2.035
2.420
4.53
4.017
1.337
1.037
3.617
0.540
1.727
0.837
0.732
2.232
1.832
1.732
0.832
0.139
0.332
0.732
2.516
2.316
2.516
0.727
2.016
1.617
2.511
0.817
2.612
0.132
1.216
1.617
2.516
0.527
1.417
0.920
0.617
1.316
1.916
2.716
1.815
2.217
1.516
0.920
0.612
0.416
1.216
0.911
0.216
0.316
0.816
0.916
2.29
1.116
0.317
0.911
0.116
0.616
2.23
0.516
0.216
0.117
0.716
1.39
1.215
0.512
2.00
0.512
0.216
0.516
0.70
0.316
0.216
1.58
0.317
0.216
0.70
1.13
0.39
1.31
0.19
0.41
1.01
0.31
0.30
0.10

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 15 to 22 March 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, 15 to 22 March 2018 (this event)106 records

Every Record Set

20 of 106
Every record set or tied during Heat wave in Australia, 15 to 22 March 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-03-15Sydney Airport AMORecord high maximum temperature34.8 C (94.6 F)0.9 C (1.6 F)6429 of 100 (Routine)
2018-03-16Quirindi Post OfficeRecord high maximum temperature36.0 C (96.8 F)2.3 C (4.1 F)3722 of 100 (Routine)
2018-03-17Cobar MoRecord high maximum temperature39.3 C (102.7 F)3.1 C (5.6 F)5328 of 100 (Routine)
2018-03-17Trangie Research Station AWSRecord high maximum temperature38.9 C (102.0 F)3.9 C (7.0 F)4026 of 100 (Routine)
2018-03-17Hillston AirportRecord high maximum temperature39.0 C (102.2 F)1.8 C (3.2 F)5325 of 100 (Routine)
2018-03-18Sydney Airport AMORecord high maximum temperature40.5 C (104.9 F)7.3 C (13.1 F)4443 of 100 (Notable)
2018-03-18Sydney (Observatory Hill)Record high maximum temperature38.4 C (101.1 F)0.3 C (0.5 F)9138 of 100 (Notable)
2018-03-18East Sale AirportRecord high minimum temperature21.0 C (69.8 F)0.2 C (0.4 F)6937 of 100 (Notable)
2018-03-18Bankstown Airport AWSRecord high maximum temperature40.1 C (104.2 F)5.1 C (9.2 F)4432 of 100 (Routine)
2018-03-18Camden Airport AWSRecord high maximum temperature39.7 C (103.5 F)5.2 C (9.4 F)4430 of 100 (Routine)
2018-03-18Newcastle Nobbys Signal StatioRecord high maximum temperature36.9 C (98.4 F)3.6 C (6.5 F)2325 of 100 (Routine)
2018-03-18Parramatta North (Masons DriveRecord high maximum temperature38.5 C (101.3 F)2.7 C (4.9 F)4425 of 100 (Routine)
2018-03-18Gabo Island LighthouseRecord high maximum temperature33.6 C (92.5 F)1.6 C (2.9 F)725 of 100 (Routine)
2018-03-18Cobar MoRecord high minimum temperature25.7 C (78.3 F)2.3 C (4.1 F)4424 of 100 (Routine)
2018-03-18Yarras (Mount Seaview)Record high maximum temperature37.5 C (99.5 F)5.0 C (9.0 F)1624 of 100 (Routine)
2018-03-18Bairnsdale AirportRecord high minimum temperature22.1 C (71.8 F)0.6 C (1.1 F)1823 of 100 (Routine)
2018-03-18Katoomba (Murri St)Record high maximum temperature30.2 C (86.4 F)0.2 C (0.4 F)5322 of 100 (Routine)
2018-03-18Wynyard AirportRecord high minimum temperature15.8 C (60.4 F)0.6 C (1.1 F)5622 of 100 (Routine)
2018-03-20Glen Innes Ag Research STNRecord high minimum temperature19.5 C (67.1 F)0.8 C (1.4 F)2924 of 100 (Routine)
2018-03-21Barraba Post OfficeRecord high maximum temperature37.3 C (99.1 F)2.9 C (5.2 F)3624 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 106 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.