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Built 2026-10-14 (14 October 2026)

Cold outbreak in Australia, 15 to 23 June 2023

Cold outbreak in Australia, 15 to 23 June 2023: 138 records at 96 stations, peak on 21 June 2023. Closed.

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

Key Facts

  • Cold outbreak in Australia, 15 to 23 June 2023 set or tied 138 station records at 96 stations.
  • It ran from 15 June 2023 to 23 June 2023 (9 days) and its peak day was 21 June 2023.
  • Status: closed.
  • Nyngan Airport set an all-time record low minimum temperature of -8.6 C (16.5 F) on 19 June 2023.
  • The busiest day was 21 June 2023 with 47 records.
  • The oldest broken record in the ranked list had stood for 61 years.

Footprint

15 to 23 June 2023
Footprint of Cold outbreak in Australia, 15 to 23 June 2023 The area covered by Cold outbreak in Australia, 15 to 23 June 2023 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Cold outbreak in Australia, 15 to 23 June 2023 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, 15 to 23 June 2023: stations that set records in the event
StationTypeValueDate
Nyngan AirportRecord low minimum temperature-8.6 C (16.5 F)2023-06-19
Tatura Inst Sustainable AgRecord low maximum temperature6.0 C (42.8 F)2023-06-21
Kyabram DpiRecord low maximum temperature6.1 C (43.0 F)2023-06-21
Brewarrina HospitalRecord low minimum temperature-2.2 C (28.0 F)2023-06-21
East Sale AirportRecord low maximum temperature8.5 C (47.3 F)2023-06-19
Monto TownshipRecord low minimum temperature-1.1 C (30.0 F)2023-06-17
Wilsons Promontory LighthouseRecord low minimum temperature6.5 C (43.7 F)2023-06-18
Canberra ForestryRecord low minimum temperature-7.2 C (19.0 F)2023-06-21
Lake Victoria StorageRecord low maximum temperature10.5 C (50.9 F)2023-06-21
Grenfell (Quondong Rd)Record low minimum temperature-3.7 C (25.3 F)2023-06-21
Richmond RaafRecord low minimum temperature-6.4 C (20.5 F)2023-06-19
Echuca AerodromeRecord low maximum temperature8.0 C (46.4 F)2023-06-21
Williamtown RaafRecord low minimum temperature0.9 C (33.6 F)2023-06-18
Newcastle Nobbys Signal StatioRecord low minimum temperature4.3 C (39.7 F)2023-06-21
Taralga Post OfficeRecord low minimum temperature-7.5 C (18.5 F)2023-06-21
Walpeup ResearchRecord low maximum temperature9.7 C (49.5 F)2023-06-22
LongerenongRecord low maximum temperature8.9 C (48.0 F)2023-06-22
PriceRecord low maximum temperature11.7 C (53.1 F)2023-06-21

Records per Day

Peak day 47
Records per day during Cold outbreak in Australia, 15 to 23 June 2023 Records set or tied each day from 15 June 2023 to 23 June 2023. The most in one day was 47 on 21 June 2023. 0 13 25 38 50 06-1506-1606-1706-1806-1906-2006-2106-2206-23
Records set or tied each day from 15 June 2023 to 23 June 2023. The most in one day was 47 on 21 June 2023.
Records per day during Cold outbreak in Australia, 15 to 23 June 2023
DateRecords
2023-06-156
2023-06-163
2023-06-177
2023-06-1811
2023-06-1934
2023-06-2019
2023-06-2147
2023-06-2210
2023-06-231

Top Records by Margin

Margin over the record replaced
Top records of Cold outbreak in Australia, 15 to 23 June 2023 ranked by margin
Nyngan Airport, 06-194.6 C (8.3 F)
Tatura Inst Sustainable Ag, 06-213.4 C (6.1 F)
Brewarrina Hospital, 06-213.3 C (5.9 F)
Kyabram Dpi, 06-213.1 C (5.6 F)
Richmond Raaf, 06-212.5 C (4.5 F)
Nyngan Airport, 06-212.0 C (3.6 F)
Monto Township, 06-171.7 C (3.1 F)
Canberra Forestry, 06-211.6 C (2.9 F)
Richmond Raaf, 06-191.6 C (2.9 F)
Grenfell (Quondong Rd), 06-211.5 C (2.7 F)
East Sale Airport, 06-191.3 C (2.3 F)
Williamtown Raaf, 06-181.3 C (2.3 F)
Lake Victoria Storage, 06-211.2 C (2.2 F)
Echuca Aerodrome, 06-210.9 C (1.6 F)
Wilsons Promontory Lighthouse, 06-180.7 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 Cold outbreak in Australia, 15 to 23 June 2023 138 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 0.01.32.53.85.0 Margin (C) Years the old record stood
138 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, 15 to 23 June 2023
Margin (C)Years the old record stood
4.620
3.454
3.154
3.357
1.361
2.057
1.760
1.657
0.760
1.254
1.557
2.536
1.612
0.954
0.161
1.341
0.360
0.557
0.557
0.554
0.919
1.646
1.648
0.257
1.836
0.157
0.952
1.636
1.541
2.038
0.841
2.028
0.648
0.317
0.446
0.317
1.436
0.248
0.540
1.737
1.422
1.428
0.837
0.344
0.217
0.540
0.537
1.324
2.224
0.36
0.536
1.032
0.76
1.136
1.028
0.329
0.730
1.517
0.236
0.728
0.328
2.921
1.324
1.128
0.729
0.524
1.024
1.718
1.624
0.328
1.124
0.724
1.310
0.918
1.921
1.128
0.624
1.218
1.017
0.520
0.321
1.212
0.128
1.024
1.024
1.218
1.016
0.520
1.316
1.26
1.210
0.429
1.216
0.318
0.621
0.918
1.18
0.718
0.116
0.318
0.620
2.94
0.912
2.39
0.118
0.320
0.320
1.25
0.120
1.89
2.35
1.08
0.518
1.44
0.210
1.74
0.416
0.516
1.14
1.24
2.15
0.84
0.78
0.110
0.412
0.46
0.34
0.74
0.210
0.34
0.64
0.35
0.84
0.44
0.34
0.64
0.14
0.14

Compared With Other Events

Station records per event
Station records in Cold outbreak in Australia, 15 to 23 June 2023 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, 15 to 23 June 2023 (this event)138 records

Every Record Set

20 of 138
Every record set or tied during Cold outbreak in Australia, 15 to 23 June 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-06-17Monto TownshipRecord low minimum temperature-1.1 C (30.0 F)1.7 C (3.1 F)6028 of 100 (Routine)
2023-06-18Wilsons Promontory LighthouseRecord low minimum temperature6.5 C (43.7 F)0.7 C (1.3 F)6028 of 100 (Routine)
2023-06-18Williamtown RaafRecord low minimum temperature0.9 C (33.6 F)1.3 C (2.3 F)4124 of 100 (Routine)
2023-06-19Nyngan AirportRecord low minimum temperature-8.6 C (16.5 F)4.6 C (8.3 F)2046 of 100 (Notable)
2023-06-19East Sale AirportRecord low maximum temperature8.5 C (47.3 F)1.3 C (2.3 F)6130 of 100 (Routine)
2023-06-19Richmond RaafRecord low minimum temperature-6.4 C (20.5 F)1.6 C (2.9 F)1225 of 100 (Routine)
2023-06-21Tatura Inst Sustainable AgRecord low maximum temperature6.0 C (42.8 F)3.4 C (6.1 F)5436 of 100 (Notable)
2023-06-21Kyabram DpiRecord low maximum temperature6.1 C (43.0 F)3.1 C (5.6 F)5435 of 100 (Notable)
2023-06-21Brewarrina HospitalRecord low minimum temperature-2.2 C (28.0 F)3.3 C (5.9 F)5731 of 100 (Routine)
2023-06-21Nyngan AirportRecord low minimum temperature-2.0 C (28.4 F)2.0 C (3.6 F)5729 of 100 (Routine)
2023-06-21Canberra ForestryRecord low minimum temperature-7.2 C (19.0 F)1.6 C (2.9 F)5728 of 100 (Routine)
2023-06-21Lake Victoria StorageRecord low maximum temperature10.5 C (50.9 F)1.2 C (2.2 F)5426 of 100 (Routine)
2023-06-21Grenfell (Quondong Rd)Record low minimum temperature-3.7 C (25.3 F)1.5 C (2.7 F)5726 of 100 (Routine)
2023-06-21Richmond RaafRecord low minimum temperature-6.2 C (20.8 F)2.5 C (4.5 F)3625 of 100 (Routine)
2023-06-21Echuca AerodromeRecord low maximum temperature8.0 C (46.4 F)0.9 C (1.6 F)5425 of 100 (Routine)
2023-06-21Newcastle Nobbys Signal StatioRecord low minimum temperature4.3 C (39.7 F)0.1 C (0.2 F)6124 of 100 (Routine)
2023-06-21Taralga Post OfficeRecord low minimum temperature-7.5 C (18.5 F)0.3 C (0.5 F)6024 of 100 (Routine)
2023-06-21PriceRecord low maximum temperature11.7 C (53.1 F)0.5 C (0.9 F)5423 of 100 (Routine)
2023-06-22Walpeup ResearchRecord low maximum temperature9.7 C (49.5 F)0.5 C (0.9 F)5724 of 100 (Routine)
2023-06-22LongerenongRecord low maximum temperature8.9 C (48.0 F)0.5 C (0.9 F)5724 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 138 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.