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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Cold outbreak in Australia, 29 April to 7 May 2020

Cold outbreak in Australia, 29 April to 7 May 2020: 221 records at 125 stations, peak on 1 May 2020. Closed.

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

Key Facts

  • Cold outbreak in Australia, 29 April to 7 May 2020 set or tied 221 station records at 125 stations.
  • It ran from 29 April 2020 to 7 May 2020 (9 days) and its peak day was 1 May 2020.
  • Status: closed.
  • Burrinjuck Dam set a daily record low maximum temperature of 9.0 C (48.2 F) on 1 May 2020.
  • The busiest day was 1 May 2020 with 73 records.
  • The oldest broken record in the ranked list had stood for 69 years.

Footprint

29 April to 7 May 2020
Footprint of Cold outbreak in Australia, 29 April to 7 May 2020 The area covered by Cold outbreak in Australia, 29 April to 7 May 2020 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Cold outbreak in Australia, 29 April to 7 May 2020 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Cold outbreak in Australia, 29 April to 7 May 2020: stations that set records in the event
StationTypeValueDate
Burrinjuck DamRecord low maximum temperature9.0 C (48.2 F)2020-05-01
Bundaberg AeroRecord low minimum temperature6.7 C (44.1 F)2020-05-02
Amberley AMORecord low minimum temperature3.0 C (37.4 F)2020-05-02
MaryboroughRecord low minimum temperature4.8 C (40.6 F)2020-05-02
Wagga Wagga AMORecord low maximum temperature10.5 C (50.9 F)2020-05-01
Peak Hill Post OfficeRecord low maximum temperature12.7 C (54.9 F)2020-05-01
Wellington (Agrowplow)Record low maximum temperature13.0 C (55.4 F)2020-05-01
Echuca AerodromeRecord low maximum temperature11.7 C (53.1 F)2020-05-01
EllistonRecord low maximum temperature15.4 C (59.7 F)2020-04-29
Dunedoo Post OfficeRecord low maximum temperature13.5 C (56.3 F)2020-05-01
Canberra ForestryRecord low maximum temperature9.4 C (48.9 F)2020-05-01
Mangalore AirportRecord low maximum temperature10.7 C (51.3 F)2020-05-01
Ceduna AMORecord low maximum temperature16.7 C (62.1 F)2020-04-30
Neptune IslandRecord low minimum temperature10.3 C (50.5 F)2020-04-30
Katoomba (Murri St)Record low maximum temperature7.0 C (44.6 F)2020-05-01
Coonabarabran (Namoi Street)Record low maximum temperature12.9 C (55.2 F)2020-05-01
Glen Innes Ag Research STNRecord low maximum temperature11.0 C (51.8 F)2020-05-02
Mackay AeroRecord low maximum temperature24.3 C (75.7 F)2020-05-03

Records per Day

Peak day 73
Records per day during Cold outbreak in Australia, 29 April to 7 May 2020 Records set or tied each day from 29 April 2020 to 7 May 2020. The most in one day was 73 on 1 May 2020. 0 20 40 60 80 04-2904-3005-0105-0205-0305-0405-0505-07
Records set or tied each day from 29 April 2020 to 7 May 2020. The most in one day was 73 on 1 May 2020.
Records per day during Cold outbreak in Australia, 29 April to 7 May 2020
DateRecords
2020-04-2912
2020-04-3051
2020-05-0173
2020-05-0254
2020-05-0313
2020-05-0415
2020-05-052
2020-05-071

Top Records by Margin

Margin over the record replaced
Top records of Cold outbreak in Australia, 29 April to 7 May 2020 ranked by margin
Burrinjuck Dam, 05-016.0 C (10.8 F)
Peak Hill Post Office, 05-014.6 C (8.3 F)
Wellington (Agrowplow), 05-014.2 C (7.6 F)
Maryborough, 05-024.1 C (7.4 F)
Dunedoo Post Office, 05-013.9 C (7.0 F)
Bundaberg Aero, 05-023.5 C (6.3 F)
Katoomba (Murri St), 05-013.0 C (5.4 F)
Glen Innes Ag Research STN, 05-022.5 C (4.5 F)
Wagga Wagga AMO, 05-012.4 C (4.3 F)
Echuca Aerodrome, 05-012.2 C (4.0 F)
Amberley AMO, 05-022.1 C (3.8 F)
Bundaberg Aero, 05-032.1 C (3.8 F)
Canberra Forestry, 05-011.7 C (3.1 F)
Mangalore Airport, 05-011.7 C (3.1 F)
Coonabarabran (Namoi Street), 05-011.5 C (2.7 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 Cold outbreak in Australia, 29 April to 7 May 2020 221 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 20 40 60 80 0.02.04.06.08.0 Margin (C) Years the old record stood
221 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 Cold outbreak in Australia, 29 April to 7 May 2020
Margin (C)Years the old record stood
6.054
3.554
2.168
4.154
2.463
4.646
4.246
2.263
0.249
2.158
3.946
1.758
1.760
0.168
1.254
0.762
2.547
1.263
3.045
1.560
6.114
1.160
0.369
1.260
1.658
4.846
1.654
1.554
0.168
0.463
0.660
1.757
2.946
0.863
0.863
0.458
2.545
1.354
0.458
0.958
0.463
2.537
2.046
2.046
1.745
1.845
0.158
0.458
1.550
1.149
0.354
1.447
0.654
3.724
1.943
0.946
1.246
1.746
1.449
1.646
0.454
2.936
0.454
1.549
0.554
0.154
0.255
1.646
0.552
1.149
4.214
4.014
1.045
0.949
0.154
0.547
0.645
1.111
0.646
1.046
0.846
4.216
0.712
0.447
0.449
0.251
0.646
0.746
0.147
0.149
2.824
2.424
2.524
2.024
2.624
0.349
3.712
0.146
0.643
0.346
0.146
0.437
1.034
1.924
0.346
3.414
1.134
0.534
0.534
0.338
0.537
3.514
0.836
2.222
1.624
2.914
1.06
0.334
1.034
2.616
2.616
2.314
2.216
2.414
0.238
3.413
0.534
1.521
2.416
2.316
2.516
1.028
0.338
2.712
1.122
1.825
2.016
1.024
2.316
2.016
2.416
1.125
0.521
1.516
0.924
1.020
2.79
1.124
1.222
1.816
2.212
1.916
0.528
2.212
0.633
2.516
0.25
3.26
0.229
1.616
1.116
1.324
0.725
1.025
1.125
0.121
0.221
1.112
1.116
1.412
1.412
1.316
1.816
1.08
0.59
0.624
1.26
0.521
0.716
0.816
1.012
3.06
1.48
0.616
0.525
0.96
1.712
0.616
0.616
1.66
1.212
1.48
1.116
0.522
0.316
0.316
1.910
0.516
0.216
1.06

Compared With Other Events

Station records per event
Station records in Cold outbreak in Australia, 29 April to 7 May 2020 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 202112,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 20209,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 20188,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 20247,675 records
Cold outbreak in United States, 15 January to 10 February 20265,568 records
Cold outbreak in Australia, 29 April to 7 May 2020 (this event)221 records

Every Record Set

20 of 221
Every record set or tied during Cold outbreak in Australia, 29 April to 7 May 2020, in date order
DateStationRecordValueMarginYears stoodSignificance
2020-04-29EllistonRecord low maximum temperature15.4 C (59.7 F)0.2 C (0.4 F)4929 of 100 (Routine)
2020-04-30Ceduna AMORecord low maximum temperature16.7 C (62.1 F)0.1 C (0.2 F)6828 of 100 (Routine)
2020-04-30Neptune IslandRecord low minimum temperature10.3 C (50.5 F)1.2 C (2.2 F)5428 of 100 (Routine)
2020-05-01Burrinjuck DamRecord low maximum temperature9.0 C (48.2 F)6.0 C (10.8 F)5439 of 100 (Notable)
2020-05-01Wagga Wagga AMORecord low maximum temperature10.5 C (50.9 F)2.4 C (4.3 F)6331 of 100 (Routine)
2020-05-01Peak Hill Post OfficeRecord low maximum temperature12.7 C (54.9 F)4.6 C (8.3 F)4630 of 100 (Routine)
2020-05-01Wellington (Agrowplow)Record low maximum temperature13.0 C (55.4 F)4.2 C (7.6 F)4630 of 100 (Routine)
2020-05-01Echuca AerodromeRecord low maximum temperature11.7 C (53.1 F)2.2 C (4.0 F)6330 of 100 (Routine)
2020-05-01Dunedoo Post OfficeRecord low maximum temperature13.5 C (56.3 F)3.9 C (7.0 F)4629 of 100 (Routine)
2020-05-01Canberra ForestryRecord low maximum temperature9.4 C (48.9 F)1.7 C (3.1 F)5829 of 100 (Routine)
2020-05-01Mangalore AirportRecord low maximum temperature10.7 C (51.3 F)1.7 C (3.1 F)6029 of 100 (Routine)
2020-05-01Katoomba (Murri St)Record low maximum temperature7.0 C (44.6 F)3.0 C (5.4 F)4528 of 100 (Routine)
2020-05-01Coonabarabran (Namoi Street)Record low maximum temperature12.9 C (55.2 F)1.5 C (2.7 F)6028 of 100 (Routine)
2020-05-02Bundaberg AeroRecord low minimum temperature6.7 C (44.1 F)3.5 C (6.3 F)5433 of 100 (Routine)
2020-05-02Amberley AMORecord low minimum temperature3.0 C (37.4 F)2.1 C (3.8 F)6833 of 100 (Routine)
2020-05-02MaryboroughRecord low minimum temperature4.8 C (40.6 F)4.1 C (7.4 F)5433 of 100 (Routine)
2020-05-02Glen Innes Ag Research STNRecord low maximum temperature11.0 C (51.8 F)2.5 C (4.5 F)4728 of 100 (Routine)
2020-05-03Bundaberg AeroRecord low minimum temperature7.9 C (46.2 F)2.1 C (3.8 F)5829 of 100 (Routine)
2020-05-03Mackay AeroRecord low maximum temperature24.3 C (75.7 F)0.7 C (1.3 F)6228 of 100 (Routine)
2020-05-03Katoomba (Murri St)Record low minimum temperature1.0 C (33.8 F)1.2 C (2.2 F)6328 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 221 records the event counts. The counts above use the full total.

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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.